Finding the Fourth Proportional to 1,874.14, 2,586.42 and 1,077.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.14 : 2,586.42 = 1,077.72 : x
2. Step 2: Convert to fraction form
   1,874.14/2,586.42 = 1,077.72/x
3. Step 3: Cross multiply
   1,874.14x = 2,586.42 × 1,077.72
4. Step 4: Simplify right side
   1,874.14x = 2,787,426.86
5. Step 5: Solve for x
   x = 2,787,426.86/1,874.14
6. Step 6: Final answer
   x = 1,487.31