Finding the Fourth Proportional to 10,544.80, 14,555.28 and 7,401.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,544.80 : 14,555.28 = 7,401.76 : x
2. Step 2: Convert to fraction form
   10,544.80/14,555.28 = 7,401.76/x
3. Step 3: Cross multiply
   10,544.80x = 14,555.28 × 7,401.76
4. Step 4: Simplify right side
   10,544.80x = 107,734,689.29
5. Step 5: Solve for x
   x = 107,734,689.29/10,544.80
6. Step 6: Final answer
   x = 10,216.85