Finding the Fourth Proportional to 8,832.52, 13,182.68 and 8,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,832.52 : 13,182.68 = 8,686.72 : x
2. Step 2: Convert to fraction form
   8,832.52/13,182.68 = 8,686.72/x
3. Step 3: Cross multiply
   8,832.52x = 13,182.68 × 8,686.72
4. Step 4: Simplify right side
   8,832.52x = 114,514,250.01
5. Step 5: Solve for x
   x = 114,514,250.01/8,832.52
6. Step 6: Final answer
   x = 12,965.07