Finding the Fourth Proportional to 2,350.80, 3,520.74 and 1,377.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.80 : 3,520.74 = 1,377.59 : x
2. Step 2: Convert to fraction form
   2,350.80/3,520.74 = 1,377.59/x
3. Step 3: Cross multiply
   2,350.80x = 3,520.74 × 1,377.59
4. Step 4: Simplify right side
   2,350.80x = 4,850,118.61
5. Step 5: Solve for x
   x = 4,850,118.61/2,350.80
6. Step 6: Final answer
   x = 2,063.18