Finding the Fourth Proportional to 5,471.22, 7,550.61 and 4,142.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,471.22 : 7,550.61 = 4,142.82 : x
2. Step 2: Convert to fraction form
   5,471.22/7,550.61 = 4,142.82/x
3. Step 3: Cross multiply
   5,471.22x = 7,550.61 × 4,142.82
4. Step 4: Simplify right side
   5,471.22x = 31,280,818.12
5. Step 5: Solve for x
   x = 31,280,818.12/5,471.22
6. Step 6: Final answer
   x = 5,717.34