Finding the Fourth Proportional to 2,910.22, 4,356.15 and 1,868.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.22 : 4,356.15 = 1,868.83 : x
2. Step 2: Convert to fraction form
   2,910.22/4,356.15 = 1,868.83/x
3. Step 3: Cross multiply
   2,910.22x = 4,356.15 × 1,868.83
4. Step 4: Simplify right side
   2,910.22x = 8,140,903.80
5. Step 5: Solve for x
   x = 8,140,903.80/2,910.22
6. Step 6: Final answer
   x = 2,797.35