Finding the Fourth Proportional to 10,407.88, 14,349.31 and 7,575.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407.88 : 14,349.31 = 7,575.72 : x
2. Step 2: Convert to fraction form
   10,407.88/14,349.31 = 7,575.72/x
3. Step 3: Cross multiply
   10,407.88x = 14,349.31 × 7,575.72
4. Step 4: Simplify right side
   10,407.88x = 108,706,354.75
5. Step 5: Solve for x
   x = 108,706,354.75/10,407.88
6. Step 6: Final answer
   x = 10,444.62