Finding the Fourth Proportional to 1,665.35, 2,500.86 and 1,595.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.35 : 2,500.86 = 1,595.69 : x
2. Step 2: Convert to fraction form
   1,665.35/2,500.86 = 1,595.69/x
3. Step 3: Cross multiply
   1,665.35x = 2,500.86 × 1,595.69
4. Step 4: Simplify right side
   1,665.35x = 3,990,597.29
5. Step 5: Solve for x
   x = 3,990,597.29/1,665.35
6. Step 6: Final answer
   x = 2,396.25