Finding the Fourth Proportional to 9,150.72, 12,627.84 and 5,373.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.72 : 12,627.84 = 5,373.20 : x
2. Step 2: Convert to fraction form
   9,150.72/12,627.84 = 5,373.20/x
3. Step 3: Cross multiply
   9,150.72x = 12,627.84 × 5,373.20
4. Step 4: Simplify right side
   9,150.72x = 67,851,909.89
5. Step 5: Solve for x
   x = 67,851,909.89/9,150.72
6. Step 6: Final answer
   x = 7,414.93