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Finding the Fourth Proportional to 154,469.44, 213,118.26 and 86,476.40

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Solution

The fourth proportional to 154,469.44, 213,118.26 and 86,476.40 is: 119,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,469.44 : 213,118.26 = 86,476.40 : x
  2. Step 2: Convert to fraction form
    154,469.44/213,118.26 = 86,476.40/x
  3. Step 3: Cross multiply
    154,469.44x = 213,118.26 × 86,476.40
  4. Step 4: Simplify right side
    154,469.44x = 18,429,699,899.06
  5. Step 5: Solve for x
    x = 18,429,699,899.06/154,469.44
  6. Step 6: Final answer
    x = 119,309.68

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