Finding the Fourth Proportional to 2,876.78, 3,968.91 and 1,882.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.78 : 3,968.91 = 1,882.62 : x
2. Step 2: Convert to fraction form
   2,876.78/3,968.91 = 1,882.62/x
3. Step 3: Cross multiply
   2,876.78x = 3,968.91 × 1,882.62
4. Step 4: Simplify right side
   2,876.78x = 7,471,949.34
5. Step 5: Solve for x
   x = 7,471,949.34/2,876.78
6. Step 6: Final answer
   x = 2,597.34