Finding the Fourth Proportional to 12,432.42, 17,150.18 and 7,393.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,432.42 : 17,150.18 = 7,393.05 : x
2. Step 2: Convert to fraction form
   12,432.42/17,150.18 = 7,393.05/x
3. Step 3: Cross multiply
   12,432.42x = 17,150.18 × 7,393.05
4. Step 4: Simplify right side
   12,432.42x = 126,792,101.28
5. Step 5: Solve for x
   x = 126,792,101.28/12,432.42
6. Step 6: Final answer
   x = 10,198.51