Finding the Fourth Proportional to 10,388.75, 14,331.48 and 7,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.75 : 14,331.48 = 7,551.72 : x
2. Step 2: Convert to fraction form
   10,388.75/14,331.48 = 7,551.72/x
3. Step 3: Cross multiply
   10,388.75x = 14,331.48 × 7,551.72
4. Step 4: Simplify right side
   10,388.75x = 108,227,324.15
5. Step 5: Solve for x
   x = 108,227,324.15/10,388.75
6. Step 6: Final answer
   x = 10,417.75