Finding the Fourth Proportional to 10,399.12, 14,345.78 and 7,562.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.12 : 14,345.78 = 7,562.10 : x
2. Step 2: Convert to fraction form
   10,399.12/14,345.78 = 7,562.10/x
3. Step 3: Cross multiply
   10,399.12x = 14,345.78 × 7,562.10
4. Step 4: Simplify right side
   10,399.12x = 108,484,222.94
5. Step 5: Solve for x
   x = 108,484,222.94/10,399.12
6. Step 6: Final answer
   x = 10,432.06