Finding the Fourth Proportional to 42,521.80, 58,761 and 31,892.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,521.80 : 58,761 = 31,892.98 : x
2. Step 2: Convert to fraction form
   42,521.80/58,761 = 31,892.98/x
3. Step 3: Cross multiply
   42,521.80x = 58,761 × 31,892.98
4. Step 4: Simplify right side
   42,521.80x = 1,874,063,397.78
5. Step 5: Solve for x
   x = 1,874,063,397.78/42,521.80
6. Step 6: Final answer
   x = 44,073.00