Finding the Fourth Proportional to 2,474.31, 3,711.59 and 1,377.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.31 : 3,711.59 = 1,377.86 : x
2. Step 2: Convert to fraction form
   2,474.31/3,711.59 = 1,377.86/x
3. Step 3: Cross multiply
   2,474.31x = 3,711.59 × 1,377.86
4. Step 4: Simplify right side
   2,474.31x = 5,114,025.95
5. Step 5: Solve for x
   x = 5,114,025.95/2,474.31
6. Step 6: Final answer
   x = 2,066.85