Finding the Fourth Proportional to 58,729.39, 81,046.61 and 31,871.90

Step by Step Solution

1. Step 1: Write the proportion equation
   58,729.39 : 81,046.61 = 31,871.90 : x
2. Step 2: Convert to fraction form
   58,729.39/81,046.61 = 31,871.90/x
3. Step 3: Cross multiply
   58,729.39x = 81,046.61 × 31,871.90
4. Step 4: Simplify right side
   58,729.39x = 2,583,108,884.67
5. Step 5: Solve for x
   x = 2,583,108,884.67/58,729.39
6. Step 6: Final answer
   x = 43,983.24