Finding the Fourth Proportional to 58,766.31, 81,097.43 and 31,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,766.31 : 81,097.43 = 31,909.50 : x
2. Step 2: Convert to fraction form
   58,766.31/81,097.43 = 31,909.50/x
3. Step 3: Cross multiply
   58,766.31x = 81,097.43 × 31,909.50
4. Step 4: Simplify right side
   58,766.31x = 2,587,778,283.04
5. Step 5: Solve for x
   x = 2,587,778,283.04/58,766.31
6. Step 6: Final answer
   x = 44,035.07