Finding the Fourth Proportional to 2,598.57, 3,587.27 and 1,666.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.57 : 3,587.27 = 1,666.89 : x
2. Step 2: Convert to fraction form
   2,598.57/3,587.27 = 1,666.89/x
3. Step 3: Cross multiply
   2,598.57x = 3,587.27 × 1,666.89
4. Step 4: Simplify right side
   2,598.57x = 5,979,576.16
5. Step 5: Solve for x
   x = 5,979,576.16/2,598.57
6. Step 6: Final answer
   x = 2,301.10