Finding the Fourth Proportional to 10,398.72, 14,350.20 and 6,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.72 : 14,350.20 = 6,152.72 : x
2. Step 2: Convert to fraction form
   10,398.72/14,350.20 = 6,152.72/x
3. Step 3: Cross multiply
   10,398.72x = 14,350.20 × 6,152.72
4. Step 4: Simplify right side
   10,398.72x = 88,292,762.54
5. Step 5: Solve for x
   x = 88,292,762.54/10,398.72
6. Step 6: Final answer
   x = 8,490.73