Finding the Fourth Proportional to 2,876.50, 3,972.81 and 1,943.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.50 : 3,972.81 = 1,943.38 : x
2. Step 2: Convert to fraction form
   2,876.50/3,972.81 = 1,943.38/x
3. Step 3: Cross multiply
   2,876.50x = 3,972.81 × 1,943.38
4. Step 4: Simplify right side
   2,876.50x = 7,720,679.50
5. Step 5: Solve for x
   x = 7,720,679.50/2,876.50
6. Step 6: Final answer
   x = 2,684.05