Finding the Fourth Proportional to 10,436.32, 15,655.20 and 3,862.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.32 : 15,655.20 = 3,862.36 : x
2. Step 2: Convert to fraction form
   10,436.32/15,655.20 = 3,862.36/x
3. Step 3: Cross multiply
   10,436.32x = 15,655.20 × 3,862.36
4. Step 4: Simplify right side
   10,436.32x = 60,466,018.27
5. Step 5: Solve for x
   x = 60,466,018.27/10,436.32
6. Step 6: Final answer
   x = 5,793.81