Finding the Fourth Proportional to 12,131.40, 16,737.18 and 7,352.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.40 : 16,737.18 = 7,352.82 : x
2. Step 2: Convert to fraction form
   12,131.40/16,737.18 = 7,352.82/x
3. Step 3: Cross multiply
   12,131.40x = 16,737.18 × 7,352.82
4. Step 4: Simplify right side
   12,131.40x = 123,065,471.85
5. Step 5: Solve for x
   x = 123,065,471.85/12,131.40
6. Step 6: Final answer
   x = 10,144.38