Finding the Fourth Proportional to 9,393.96, 12,963.20 and 5,414.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.96 : 12,963.20 = 5,414.84 : x
2. Step 2: Convert to fraction form
   9,393.96/12,963.20 = 5,414.84/x
3. Step 3: Cross multiply
   9,393.96x = 12,963.20 × 5,414.84
4. Step 4: Simplify right side
   9,393.96x = 70,193,653.89
5. Step 5: Solve for x
   x = 70,193,653.89/9,393.96
6. Step 6: Final answer
   x = 7,472.21