Finding the Fourth Proportional to 2,658.27, 3,669.06 and 1,539.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.27 : 3,669.06 = 1,539.87 : x
2. Step 2: Convert to fraction form
   2,658.27/3,669.06 = 1,539.87/x
3. Step 3: Cross multiply
   2,658.27x = 3,669.06 × 1,539.87
4. Step 4: Simplify right side
   2,658.27x = 5,649,875.42
5. Step 5: Solve for x
   x = 5,649,875.42/2,658.27
6. Step 6: Final answer
   x = 2,125.40