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Finding the Fourth Proportional to 31,094.82, 42,917.78 and 19,762.11

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Solution

The fourth proportional to 31,094.82, 42,917.78 and 19,762.11 is: 27,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094.82 : 42,917.78 = 19,762.11 : x
  2. Step 2: Convert to fraction form
    31,094.82/42,917.78 = 19,762.11/x
  3. Step 3: Cross multiply
    31,094.82x = 42,917.78 × 19,762.11
  4. Step 4: Simplify right side
    31,094.82x = 848,145,938.72
  5. Step 5: Solve for x
    x = 848,145,938.72/31,094.82
  6. Step 6: Final answer
    x = 27,276.12

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