Finding the Fourth Proportional to 10,496.52, 15,744.42 and 3,920.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,496.52 : 15,744.42 = 3,920.76 : x
2. Step 2: Convert to fraction form
   10,496.52/15,744.42 = 3,920.76/x
3. Step 3: Cross multiply
   10,496.52x = 15,744.42 × 3,920.76
4. Step 4: Simplify right side
   10,496.52x = 61,730,092.16
5. Step 5: Solve for x
   x = 61,730,092.16/10,496.52
6. Step 6: Final answer
   x = 5,881.01