Finding the Fourth Proportional to 12,737.27, 17,580.69 and 7,360.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.27 : 17,580.69 = 7,360.49 : x
2. Step 2: Convert to fraction form
   12,737.27/17,580.69 = 7,360.49/x
3. Step 3: Cross multiply
   12,737.27x = 17,580.69 × 7,360.49
4. Step 4: Simplify right side
   12,737.27x = 129,402,405.03
5. Step 5: Solve for x
   x = 129,402,405.03/12,737.27
6. Step 6: Final answer
   x = 10,159.36