Finding the Fourth Proportional to 10,938.24, 16,401.60 and 7,476.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.24 : 16,401.60 = 7,476.48 : x
2. Step 2: Convert to fraction form
   10,938.24/16,401.60 = 7,476.48/x
3. Step 3: Cross multiply
   10,938.24x = 16,401.60 × 7,476.48
4. Step 4: Simplify right side
   10,938.24x = 122,626,234.37
5. Step 5: Solve for x
   x = 122,626,234.37/10,938.24
6. Step 6: Final answer
   x = 11,210.78