Finding the Fourth Proportional to 10,433.88, 15,643.08 and 3,858.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.88 : 15,643.08 = 3,858.84 : x
2. Step 2: Convert to fraction form
   10,433.88/15,643.08 = 3,858.84/x
3. Step 3: Cross multiply
   10,433.88x = 15,643.08 × 3,858.84
4. Step 4: Simplify right side
   10,433.88x = 60,364,142.83
5. Step 5: Solve for x
   x = 60,364,142.83/10,433.88
6. Step 6: Final answer
   x = 5,785.40