Finding the Fourth Proportional to 2,110.71, 3,168.29 and 1,725.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.71 : 3,168.29 = 1,725.15 : x
2. Step 2: Convert to fraction form
   2,110.71/3,168.29 = 1,725.15/x
3. Step 3: Cross multiply
   2,110.71x = 3,168.29 × 1,725.15
4. Step 4: Simplify right side
   2,110.71x = 5,465,779.81
5. Step 5: Solve for x
   x = 5,465,779.81/2,110.71
6. Step 6: Final answer
   x = 2,589.55