Finding the Fourth Proportional to 10,785.56, 16,150.79 and 8,597.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,785.56 : 16,150.79 = 8,597.48 : x
2. Step 2: Convert to fraction form
   10,785.56/16,150.79 = 8,597.48/x
3. Step 3: Cross multiply
   10,785.56x = 16,150.79 × 8,597.48
4. Step 4: Simplify right side
   10,785.56x = 138,856,034.75
5. Step 5: Solve for x
   x = 138,856,034.75/10,785.56
6. Step 6: Final answer
   x = 12,874.26