Finding the Fourth Proportional to 10,422.07, 14,382.42 and 5,706.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.07 : 14,382.42 = 5,706.31 : x
2. Step 2: Convert to fraction form
   10,422.07/14,382.42 = 5,706.31/x
3. Step 3: Cross multiply
   10,422.07x = 14,382.42 × 5,706.31
4. Step 4: Simplify right side
   10,422.07x = 82,070,547.07
5. Step 5: Solve for x
   x = 82,070,547.07/10,422.07
6. Step 6: Final answer
   x = 7,874.69