Finding the Fourth Proportional to 2,380.68, 3,565.55 and 1,650.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.68 : 3,565.55 = 1,650.78 : x
2. Step 2: Convert to fraction form
   2,380.68/3,565.55 = 1,650.78/x
3. Step 3: Cross multiply
   2,380.68x = 3,565.55 × 1,650.78
4. Step 4: Simplify right side
   2,380.68x = 5,885,942.76
5. Step 5: Solve for x
   x = 5,885,942.76/2,380.68
6. Step 6: Final answer
   x = 2,472.38