Finding the Fourth Proportional to 2,876.10, 4,314.61 and 1,781.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.10 : 4,314.61 = 1,781.69 : x
2. Step 2: Convert to fraction form
   2,876.10/4,314.61 = 1,781.69/x
3. Step 3: Cross multiply
   2,876.10x = 4,314.61 × 1,781.69
4. Step 4: Simplify right side
   2,876.10x = 7,687,297.49
5. Step 5: Solve for x
   x = 7,687,297.49/2,876.10
6. Step 6: Final answer
   x = 2,672.82