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Finding the Fourth Proportional to 336,086.20, 504,129.30 and 86,768.20

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Solution

The fourth proportional to 336,086.20, 504,129.30 and 86,768.20 is: 130,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,086.20 : 504,129.30 = 86,768.20 : x
  2. Step 2: Convert to fraction form
    336,086.20/504,129.30 = 86,768.20/x
  3. Step 3: Cross multiply
    336,086.20x = 504,129.30 × 86,768.20
  4. Step 4: Simplify right side
    336,086.20x = 43,742,391,928.26
  5. Step 5: Solve for x
    x = 43,742,391,928.26/336,086.20
  6. Step 6: Final answer
    x = 130,152.30

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