Finding the Fourth Proportional to 2,587.10, 3,878.29 and 943.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.10 : 3,878.29 = 943.27 : x
2. Step 2: Convert to fraction form
   2,587.10/3,878.29 = 943.27/x
3. Step 3: Cross multiply
   2,587.10x = 3,878.29 × 943.27
4. Step 4: Simplify right side
   2,587.10x = 3,658,274.61
5. Step 5: Solve for x
   x = 3,658,274.61/2,587.10
6. Step 6: Final answer
   x = 1,414.04