Finding the Fourth Proportional to 10,952.10, 16,440.42 and 4,382.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,952.10 : 16,440.42 = 4,382.86 : x
2. Step 2: Convert to fraction form
   10,952.10/16,440.42 = 4,382.86/x
3. Step 3: Cross multiply
   10,952.10x = 16,440.42 × 4,382.86
4. Step 4: Simplify right side
   10,952.10x = 72,056,059.20
5. Step 5: Solve for x
   x = 72,056,059.20/10,952.10
6. Step 6: Final answer
   x = 6,579.20