Finding the Fourth Proportional to 10,440.09, 15,650.15 and 3,864.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,440.09 : 15,650.15 = 3,864.51 : x
2. Step 2: Convert to fraction form
   10,440.09/15,650.15 = 3,864.51/x
3. Step 3: Cross multiply
   10,440.09x = 15,650.15 × 3,864.51
4. Step 4: Simplify right side
   10,440.09x = 60,480,141.85
5. Step 5: Solve for x
   x = 60,480,141.85/10,440.09
6. Step 6: Final answer
   x = 5,793.07