Finding the Fourth Proportional to 5,707.38, 7,865.27 and 4,111.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707.38 : 7,865.27 = 4,111.20 : x
2. Step 2: Convert to fraction form
   5,707.38/7,865.27 = 4,111.20/x
3. Step 3: Cross multiply
   5,707.38x = 7,865.27 × 4,111.20
4. Step 4: Simplify right side
   5,707.38x = 32,335,677.47
5. Step 5: Solve for x
   x = 32,335,677.47/5,707.38
6. Step 6: Final answer
   x = 5,665.59