Finding the Fourth Proportional to 10,399.61, 14,347.16 and 7,560.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.61 : 14,347.16 = 7,560.76 : x
2. Step 2: Convert to fraction form
   10,399.61/14,347.16 = 7,560.76/x
3. Step 3: Cross multiply
   10,399.61x = 14,347.16 × 7,560.76
4. Step 4: Simplify right side
   10,399.61x = 108,475,361.71
5. Step 5: Solve for x
   x = 108,475,361.71/10,399.61
6. Step 6: Final answer
   x = 10,430.72