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Finding the Fourth Proportional to 93,353.64, 128,837.93 and 57,076.31

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Solution

The fourth proportional to 93,353.64, 128,837.93 and 57,076.31 is: 78,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,353.64 : 128,837.93 = 57,076.31 : x
  2. Step 2: Convert to fraction form
    93,353.64/128,837.93 = 57,076.31/x
  3. Step 3: Cross multiply
    93,353.64x = 128,837.93 × 57,076.31
  4. Step 4: Simplify right side
    93,353.64x = 7,353,592,702.87
  5. Step 5: Solve for x
    x = 7,353,592,702.87/93,353.64
  6. Step 6: Final answer
    x = 78,771.35

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