Finding the Fourth Proportional to 10,422.32, 14,382.96 and 5,707.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.32 : 14,382.96 = 5,707.04 : x
2. Step 2: Convert to fraction form
   10,422.32/14,382.96 = 5,707.04/x
3. Step 3: Cross multiply
   10,422.32x = 14,382.96 × 5,707.04
4. Step 4: Simplify right side
   10,422.32x = 82,084,128.04
5. Step 5: Solve for x
   x = 82,084,128.04/10,422.32
6. Step 6: Final answer
   x = 7,875.80