Finding the Fourth Proportional to 9,140.88, 12,614.76 and 5,162.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140.88 : 12,614.76 = 5,162.43 : x
2. Step 2: Convert to fraction form
   9,140.88/12,614.76 = 5,162.43/x
3. Step 3: Cross multiply
   9,140.88x = 12,614.76 × 5,162.43
4. Step 4: Simplify right side
   9,140.88x = 65,122,815.47
5. Step 5: Solve for x
   x = 65,122,815.47/9,140.88
6. Step 6: Final answer
   x = 7,124.35