Finding the Fourth Proportional to 2,929.59, 4,044.16 and 1,868.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.59 : 4,044.16 = 1,868.78 : x
2. Step 2: Convert to fraction form
   2,929.59/4,044.16 = 1,868.78/x
3. Step 3: Cross multiply
   2,929.59x = 4,044.16 × 1,868.78
4. Step 4: Simplify right side
   2,929.59x = 7,557,645.32
5. Step 5: Solve for x
   x = 7,557,645.32/2,929.59
6. Step 6: Final answer
   x = 2,579.76