Finding the Fourth Proportional to 8,737.08, 13,042.17 and 8,086.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737.08 : 13,042.17 = 8,086.59 : x
2. Step 2: Convert to fraction form
   8,737.08/13,042.17 = 8,086.59/x
3. Step 3: Cross multiply
   8,737.08x = 13,042.17 × 8,086.59
4. Step 4: Simplify right side
   8,737.08x = 105,466,681.50
5. Step 5: Solve for x
   x = 105,466,681.50/8,737.08
6. Step 6: Final answer
   x = 12,071.16