Finding the Fourth Proportional to 10,508.72, 15,767.86 and 3,935.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.72 : 15,767.86 = 3,935.42 : x
2. Step 2: Convert to fraction form
   10,508.72/15,767.86 = 3,935.42/x
3. Step 3: Cross multiply
   10,508.72x = 15,767.86 × 3,935.42
4. Step 4: Simplify right side
   10,508.72x = 62,053,151.60
5. Step 5: Solve for x
   x = 62,053,151.60/10,508.72
6. Step 6: Final answer
   x = 5,904.92