Finding the Fourth Proportional to 8,713.16, 12,085.85 and 8,414.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,713.16 : 12,085.85 = 8,414.46 : x
2. Step 2: Convert to fraction form
   8,713.16/12,085.85 = 8,414.46/x
3. Step 3: Cross multiply
   8,713.16x = 12,085.85 × 8,414.46
4. Step 4: Simplify right side
   8,713.16x = 101,695,922.43
5. Step 5: Solve for x
   x = 101,695,922.43/8,713.16
6. Step 6: Final answer
   x = 11,671.53