Finding the Fourth Proportional to 1,764.15, 2,429.60 and 1,725.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.15 : 2,429.60 = 1,725.89 : x
2. Step 2: Convert to fraction form
   1,764.15/2,429.60 = 1,725.89/x
3. Step 3: Cross multiply
   1,764.15x = 2,429.60 × 1,725.89
4. Step 4: Simplify right side
   1,764.15x = 4,193,201.57
5. Step 5: Solve for x
   x = 4,193,201.57/1,764.15
6. Step 6: Final answer
   x = 2,376.90