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Finding the Fourth Proportional to 93,059.21, 128,417.82 and 54,820.32

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Solution

The fourth proportional to 93,059.21, 128,417.82 and 54,820.32 is: 75,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059.21 : 128,417.82 = 54,820.32 : x
  2. Step 2: Convert to fraction form
    93,059.21/128,417.82 = 54,820.32/x
  3. Step 3: Cross multiply
    93,059.21x = 128,417.82 × 54,820.32
  4. Step 4: Simplify right side
    93,059.21x = 7,039,905,780.53
  5. Step 5: Solve for x
    x = 7,039,905,780.53/93,059.21
  6. Step 6: Final answer
    x = 75,649.75

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