Finding the Fourth Proportional to 10,439.82, 15,655.41 and 3,862.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.82 : 15,655.41 = 3,862.17 : x
2. Step 2: Convert to fraction form
   10,439.82/15,655.41 = 3,862.17/x
3. Step 3: Cross multiply
   10,439.82x = 15,655.41 × 3,862.17
4. Step 4: Simplify right side
   10,439.82x = 60,463,854.84
5. Step 5: Solve for x
   x = 60,463,854.84/10,439.82
6. Step 6: Final answer
   x = 5,791.66