Finding the Fourth Proportional to 8,358.32, 12,517.71 and 7,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,358.32 : 12,517.71 = 7,256.69 : x
2. Step 2: Convert to fraction form
   8,358.32/12,517.71 = 7,256.69/x
3. Step 3: Cross multiply
   8,358.32x = 12,517.71 × 7,256.69
4. Step 4: Simplify right side
   8,358.32x = 90,837,098.12
5. Step 5: Solve for x
   x = 90,837,098.12/8,358.32
6. Step 6: Final answer
   x = 10,867.86