Finding the Fourth Proportional to 10,436.04, 15,649.20 and 3,862.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.04 : 15,649.20 = 3,862.08 : x
2. Step 2: Convert to fraction form
   10,436.04/15,649.20 = 3,862.08/x
3. Step 3: Cross multiply
   10,436.04x = 15,649.20 × 3,862.08
4. Step 4: Simplify right side
   10,436.04x = 60,438,462.34
5. Step 5: Solve for x
   x = 60,438,462.34/10,436.04
6. Step 6: Final answer
   x = 5,791.32