Finding the Fourth Proportional to 8,737.85, 12,066.80 and 7,471.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737.85 : 12,066.80 = 7,471.59 : x
2. Step 2: Convert to fraction form
   8,737.85/12,066.80 = 7,471.59/x
3. Step 3: Cross multiply
   8,737.85x = 12,066.80 × 7,471.59
4. Step 4: Simplify right side
   8,737.85x = 90,158,144.85
5. Step 5: Solve for x
   x = 90,158,144.85/8,737.85
6. Step 6: Final answer
   x = 10,318.12