Finding the Fourth Proportional to 1,665.27, 2,500.74 and 1,595.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.27 : 2,500.74 = 1,595.61 : x
2. Step 2: Convert to fraction form
   1,665.27/2,500.74 = 1,595.61/x
3. Step 3: Cross multiply
   1,665.27x = 2,500.74 × 1,595.61
4. Step 4: Simplify right side
   1,665.27x = 3,990,205.75
5. Step 5: Solve for x
   x = 3,990,205.75/1,665.27
6. Step 6: Final answer
   x = 2,396.13