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Finding the Fourth Proportional to 509,955.84, 765,054.72 and 154,990.08

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Solution

The fourth proportional to 509,955.84, 765,054.72 and 154,990.08 is: 232,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,955.84 : 765,054.72 = 154,990.08 : x
  2. Step 2: Convert to fraction form
    509,955.84/765,054.72 = 154,990.08/x
  3. Step 3: Cross multiply
    509,955.84x = 765,054.72 × 154,990.08
  4. Step 4: Simplify right side
    509,955.84x = 118,575,892,257.18
  5. Step 5: Solve for x
    x = 118,575,892,257.18/509,955.84
  6. Step 6: Final answer
    x = 232,521.88

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