Finding the Fourth Proportional to 9,150.16, 12,627.28 and 5,372.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.16 : 12,627.28 = 5,372.48 : x
2. Step 2: Convert to fraction form
   9,150.16/12,627.28 = 5,372.48/x
3. Step 3: Cross multiply
   9,150.16x = 12,627.28 × 5,372.48
4. Step 4: Simplify right side
   9,150.16x = 67,839,809.25
5. Step 5: Solve for x
   x = 67,839,809.25/9,150.16
6. Step 6: Final answer
   x = 7,414.06