Finding the Fourth Proportional to 12,505.32, 17,251.14 and 8,535.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,505.32 : 17,251.14 = 8,535.72 : x
2. Step 2: Convert to fraction form
   12,505.32/17,251.14 = 8,535.72/x
3. Step 3: Cross multiply
   12,505.32x = 17,251.14 × 8,535.72
4. Step 4: Simplify right side
   12,505.32x = 147,250,900.72
5. Step 5: Solve for x
   x = 147,250,900.72/12,505.32
6. Step 6: Final answer
   x = 11,775.06