Finding the Fourth Proportional to 58,590.78, 80,854.88 and 31,732.68

Step by Step Solution

1. Step 1: Write the proportion equation
   58,590.78 : 80,854.88 = 31,732.68 : x
2. Step 2: Convert to fraction form
   58,590.78/80,854.88 = 31,732.68/x
3. Step 3: Cross multiply
   58,590.78x = 80,854.88 × 31,732.68
4. Step 4: Simplify right side
   58,590.78x = 2,565,741,874.82
5. Step 5: Solve for x
   x = 2,565,741,874.82/58,590.78
6. Step 6: Final answer
   x = 43,790.88