Finding the Fourth Proportional to 2,377.90, 3,280.19 and 1,670.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.90 : 3,280.19 = 1,670.83 : x
2. Step 2: Convert to fraction form
   2,377.90/3,280.19 = 1,670.83/x
3. Step 3: Cross multiply
   2,377.90x = 3,280.19 × 1,670.83
4. Step 4: Simplify right side
   2,377.90x = 5,480,639.86
5. Step 5: Solve for x
   x = 5,480,639.86/2,377.90
6. Step 6: Final answer
   x = 2,304.82