Finding the Fourth Proportional to 5,411.59, 8,113.42 and 1,711.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.59 : 8,113.42 = 1,711.75 : x
2. Step 2: Convert to fraction form
   5,411.59/8,113.42 = 1,711.75/x
3. Step 3: Cross multiply
   5,411.59x = 8,113.42 × 1,711.75
4. Step 4: Simplify right side
   5,411.59x = 13,888,128.54
5. Step 5: Solve for x
   x = 13,888,128.54/5,411.59
6. Step 6: Final answer
   x = 2,566.37