Finding the Fourth Proportional to 58,796.73, 81,136.42 and 31,939.20

Step by Step Solution

1. Step 1: Write the proportion equation
   58,796.73 : 81,136.42 = 31,939.20 : x
2. Step 2: Convert to fraction form
   58,796.73/81,136.42 = 31,939.20/x
3. Step 3: Cross multiply
   58,796.73x = 81,136.42 × 31,939.20
4. Step 4: Simplify right side
   58,796.73x = 2,591,432,265.82
5. Step 5: Solve for x
   x = 2,591,432,265.82/58,796.73
6. Step 6: Final answer
   x = 44,074.43