Finding the Fourth Proportional to 8,540.83, 12,805.71 and 5,900.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,540.83 : 12,805.71 = 5,900.95 : x
2. Step 2: Convert to fraction form
   8,540.83/12,805.71 = 5,900.95/x
3. Step 3: Cross multiply
   8,540.83x = 12,805.71 × 5,900.95
4. Step 4: Simplify right side
   8,540.83x = 75,565,854.42
5. Step 5: Solve for x
   x = 75,565,854.42/8,540.83
6. Step 6: Final answer
   x = 8,847.60