Finding the Fourth Proportional to 5,403.72, 8,105.94 and 1,706.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,403.72 : 8,105.94 = 1,706.10 : x
2. Step 2: Convert to fraction form
   5,403.72/8,105.94 = 1,706.10/x
3. Step 3: Cross multiply
   5,403.72x = 8,105.94 × 1,706.10
4. Step 4: Simplify right side
   5,403.72x = 13,829,544.23
5. Step 5: Solve for x
   x = 13,829,544.23/5,403.72
6. Step 6: Final answer
   x = 2,559.26