Finding the Fourth Proportional to 10,225.72, 15,341.80 and 3,651.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,225.72 : 15,341.80 = 3,651.76 : x
2. Step 2: Convert to fraction form
   10,225.72/15,341.80 = 3,651.76/x
3. Step 3: Cross multiply
   10,225.72x = 15,341.80 × 3,651.76
4. Step 4: Simplify right side
   10,225.72x = 56,024,571.57
5. Step 5: Solve for x
   x = 56,024,571.57/10,225.72
6. Step 6: Final answer
   x = 5,478.79