Finding the Fourth Proportional to 2,763.37, 4,140.71 and 1,929.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.37 : 4,140.71 = 1,929.61 : x
2. Step 2: Convert to fraction form
   2,763.37/4,140.71 = 1,929.61/x
3. Step 3: Cross multiply
   2,763.37x = 4,140.71 × 1,929.61
4. Step 4: Simplify right side
   2,763.37x = 7,989,955.42
5. Step 5: Solve for x
   x = 7,989,955.42/2,763.37
6. Step 6: Final answer
   x = 2,891.38