Finding the Fourth Proportional to 10,422.52, 14,383.10 and 5,707.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.52 : 14,383.10 = 5,707.10 : x
2. Step 2: Convert to fraction form
   10,422.52/14,383.10 = 5,707.10/x
3. Step 3: Cross multiply
   10,422.52x = 14,383.10 × 5,707.10
4. Step 4: Simplify right side
   10,422.52x = 82,085,790.01
5. Step 5: Solve for x
   x = 82,085,790.01/10,422.52
6. Step 6: Final answer
   x = 7,875.81