Finding the Fourth Proportional to 9,393.88, 12,960.61 and 5,414.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.88 : 12,960.61 = 5,414.46 : x
2. Step 2: Convert to fraction form
   9,393.88/12,960.61 = 5,414.46/x
3. Step 3: Cross multiply
   9,393.88x = 12,960.61 × 5,414.46
4. Step 4: Simplify right side
   9,393.88x = 70,174,704.42
5. Step 5: Solve for x
   x = 70,174,704.42/9,393.88
6. Step 6: Final answer
   x = 7,470.26