Finding the Fourth Proportional to 58,565.57, 80,820.45 and 31,708.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,565.57 : 80,820.45 = 31,708.31 : x
2. Step 2: Convert to fraction form
   58,565.57/80,820.45 = 31,708.31/x
3. Step 3: Cross multiply
   58,565.57x = 80,820.45 × 31,708.31
4. Step 4: Simplify right side
   58,565.57x = 2,562,679,882.94
5. Step 5: Solve for x
   x = 2,562,679,882.94/58,565.57
6. Step 6: Final answer
   x = 43,757.45