Finding the Fourth Proportional to 58,758.18, 81,086.02 and 31,900.47

Step by Step Solution

1. Step 1: Write the proportion equation
   58,758.18 : 81,086.02 = 31,900.47 : x
2. Step 2: Convert to fraction form
   58,758.18/81,086.02 = 31,900.47/x
3. Step 3: Cross multiply
   58,758.18x = 81,086.02 × 31,900.47
4. Step 4: Simplify right side
   58,758.18x = 2,586,682,148.43
5. Step 5: Solve for x
   x = 2,586,682,148.43/58,758.18
6. Step 6: Final answer
   x = 44,022.50