Finding the Fourth Proportional to 1,874.56, 2,586.89 and 1,077.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.56 : 2,586.89 = 1,077.94 : x
2. Step 2: Convert to fraction form
   1,874.56/2,586.89 = 1,077.94/x
3. Step 3: Cross multiply
   1,874.56x = 2,586.89 × 1,077.94
4. Step 4: Simplify right side
   1,874.56x = 2,788,512.21
5. Step 5: Solve for x
   x = 2,788,512.21/1,874.56
6. Step 6: Final answer
   x = 1,487.56