Finding the Fourth Proportional to 58,757.76, 81,084.42 and 31,899.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,757.76 : 81,084.42 = 31,899.78 : x
2. Step 2: Convert to fraction form
   58,757.76/81,084.42 = 31,899.78/x
3. Step 3: Cross multiply
   58,757.76x = 81,084.42 × 31,899.78
4. Step 4: Simplify right side
   58,757.76x = 2,586,575,159.43
5. Step 5: Solve for x
   x = 2,586,575,159.43/58,757.76
6. Step 6: Final answer
   x = 44,021.00