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Finding the Fourth Proportional to 136,809.84, 205,236.36 and 52,566.64

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Solution

The fourth proportional to 136,809.84, 205,236.36 and 52,566.64 is: 78,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,809.84 : 205,236.36 = 52,566.64 : x
  2. Step 2: Convert to fraction form
    136,809.84/205,236.36 = 52,566.64/x
  3. Step 3: Cross multiply
    136,809.84x = 205,236.36 × 52,566.64
  4. Step 4: Simplify right side
    136,809.84x = 10,788,585,851.03
  5. Step 5: Solve for x
    x = 10,788,585,851.03/136,809.84
  6. Step 6: Final answer
    x = 78,858.26

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