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Finding the Fourth Proportional to 54,956.40, 82,337.40 and 51,457.20

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Solution

The fourth proportional to 54,956.40, 82,337.40 and 51,457.20 is: 77,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.40 : 82,337.40 = 51,457.20 : x
  2. Step 2: Convert to fraction form
    54,956.40/82,337.40 = 51,457.20/x
  3. Step 3: Cross multiply
    54,956.40x = 82,337.40 × 51,457.20
  4. Step 4: Simplify right side
    54,956.40x = 4,236,852,059.28
  5. Step 5: Solve for x
    x = 4,236,852,059.28/54,956.40
  6. Step 6: Final answer
    x = 77,094.79

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