Finding the Fourth Proportional to 58,757.32, 81,085.10 and 31,899.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,757.32 : 81,085.10 = 31,899.83 : x
2. Step 2: Convert to fraction form
   58,757.32/81,085.10 = 31,899.83/x
3. Step 3: Cross multiply
   58,757.32x = 81,085.10 × 31,899.83
4. Step 4: Simplify right side
   58,757.32x = 2,586,600,340.61
5. Step 5: Solve for x
   x = 2,586,600,340.61/58,757.32
6. Step 6: Final answer
   x = 44,021.76