Finding the Fourth Proportional to 2,377.15, 3,279.91 and 1,381.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.15 : 3,279.91 = 1,381.83 : x
2. Step 2: Convert to fraction form
   2,377.15/3,279.91 = 1,381.83/x
3. Step 3: Cross multiply
   2,377.15x = 3,279.91 × 1,381.83
4. Step 4: Simplify right side
   2,377.15x = 4,532,264.87
5. Step 5: Solve for x
   x = 4,532,264.87/2,377.15
6. Step 6: Final answer
   x = 1,906.60