Finding the Fourth Proportional to 10,422.82, 14,383.35 and 5,707.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.82 : 14,383.35 = 5,707.10 : x
2. Step 2: Convert to fraction form
   10,422.82/14,383.35 = 5,707.10/x
3. Step 3: Cross multiply
   10,422.82x = 14,383.35 × 5,707.10
4. Step 4: Simplify right side
   10,422.82x = 82,087,188.25
5. Step 5: Solve for x
   x = 82,087,188.25/10,422.82
6. Step 6: Final answer
   x = 7,875.72