Finding the Fourth Proportional to 2,738.52, 4,101.61 and 1,920.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.52 : 4,101.61 = 1,920.46 : x
2. Step 2: Convert to fraction form
   2,738.52/4,101.61 = 1,920.46/x
3. Step 3: Cross multiply
   2,738.52x = 4,101.61 × 1,920.46
4. Step 4: Simplify right side
   2,738.52x = 7,876,962.89
5. Step 5: Solve for x
   x = 7,876,962.89/2,738.52
6. Step 6: Final answer
   x = 2,876.35