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Finding the Fourth Proportional to 333,788.96, 500,678.58 and 81,071.40

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Solution

The fourth proportional to 333,788.96, 500,678.58 and 81,071.40 is: 121,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,788.96 : 500,678.58 = 81,071.40 : x
  2. Step 2: Convert to fraction form
    333,788.96/500,678.58 = 81,071.40/x
  3. Step 3: Cross multiply
    333,788.96x = 500,678.58 × 81,071.40
  4. Step 4: Simplify right side
    333,788.96x = 40,590,713,430.61
  5. Step 5: Solve for x
    x = 40,590,713,430.61/333,788.96
  6. Step 6: Final answer
    x = 121,605.92

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