Finding the Fourth Proportional to 9,372.52, 12,934.02 and 5,180.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,372.52 : 12,934.02 = 5,180.76 : x
2. Step 2: Convert to fraction form
   9,372.52/12,934.02 = 5,180.76/x
3. Step 3: Cross multiply
   9,372.52x = 12,934.02 × 5,180.76
4. Step 4: Simplify right side
   9,372.52x = 67,008,053.46
5. Step 5: Solve for x
   x = 67,008,053.46/9,372.52
6. Step 6: Final answer
   x = 7,149.42