Finding the Fourth Proportional to 2,108.10, 3,168.23 and 1,840.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.10 : 3,168.23 = 1,840.80 : x
2. Step 2: Convert to fraction form
   2,108.10/3,168.23 = 1,840.80/x
3. Step 3: Cross multiply
   2,108.10x = 3,168.23 × 1,840.80
4. Step 4: Simplify right side
   2,108.10x = 5,832,068.58
5. Step 5: Solve for x
   x = 5,832,068.58/2,108.10
6. Step 6: Final answer
   x = 2,766.50