Finding the Fourth Proportional to 3,921.02, 5,876.89 and 1,725.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.02 : 5,876.89 = 1,725.16 : x
2. Step 2: Convert to fraction form
   3,921.02/5,876.89 = 1,725.16/x
3. Step 3: Cross multiply
   3,921.02x = 5,876.89 × 1,725.16
4. Step 4: Simplify right side
   3,921.02x = 10,138,575.55
5. Step 5: Solve for x
   x = 10,138,575.55/3,921.02
6. Step 6: Final answer
   x = 2,585.70