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Finding the Fourth Proportional to 58,736.35, 81,054.11 and 31,878.32

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Solution

The fourth proportional to 58,736.35, 81,054.11 and 31,878.32 is: 43,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,736.35 : 81,054.11 = 31,878.32 : x
  2. Step 2: Convert to fraction form
    58,736.35/81,054.11 = 31,878.32/x
  3. Step 3: Cross multiply
    58,736.35x = 81,054.11 × 31,878.32
  4. Step 4: Simplify right side
    58,736.35x = 2,583,868,696.50
  5. Step 5: Solve for x
    x = 2,583,868,696.50/58,736.35
  6. Step 6: Final answer
    x = 43,990.96

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