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Finding the Fourth Proportional to 57,694.51, 86,490.33 and 31,054.81

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Solution

The fourth proportional to 57,694.51, 86,490.33 and 31,054.81 is: 46,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,694.51 : 86,490.33 = 31,054.81 : x
  2. Step 2: Convert to fraction form
    57,694.51/86,490.33 = 31,054.81/x
  3. Step 3: Cross multiply
    57,694.51x = 86,490.33 × 31,054.81
  4. Step 4: Simplify right side
    57,694.51x = 2,685,940,764.99
  5. Step 5: Solve for x
    x = 2,685,940,764.99/57,694.51
  6. Step 6: Final answer
    x = 46,554.53

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