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Finding the Fourth Proportional to 93,106.54, 128,476.58 and 54,863.60

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Solution

The fourth proportional to 93,106.54, 128,476.58 and 54,863.60 is: 75,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,106.54 : 128,476.58 = 54,863.60 : x
  2. Step 2: Convert to fraction form
    93,106.54/128,476.58 = 54,863.60/x
  3. Step 3: Cross multiply
    93,106.54x = 128,476.58 × 54,863.60
  4. Step 4: Simplify right side
    93,106.54x = 7,048,688,170.42
  5. Step 5: Solve for x
    x = 7,048,688,170.42/93,106.54
  6. Step 6: Final answer
    x = 75,705.62

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