Finding the Fourth Proportional to 25,162.80, 37,744.29 and 7,632.78

Step by Step Solution

1. Step 1: Write the proportion equation
   25,162.80 : 37,744.29 = 7,632.78 : x
2. Step 2: Convert to fraction form
   25,162.80/37,744.29 = 7,632.78/x
3. Step 3: Cross multiply
   25,162.80x = 37,744.29 × 7,632.78
4. Step 4: Simplify right side
   25,162.80x = 288,093,861.83
5. Step 5: Solve for x
   x = 288,093,861.83/25,162.80
6. Step 6: Final answer
   x = 11,449.20