Finding the Fourth Proportional to 2,108.95, 2,908.89 and 1,445.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.95 : 2,908.89 = 1,445.86 : x
2. Step 2: Convert to fraction form
   2,108.95/2,908.89 = 1,445.86/x
3. Step 3: Cross multiply
   2,108.95x = 2,908.89 × 1,445.86
4. Step 4: Simplify right side
   2,108.95x = 4,205,847.70
5. Step 5: Solve for x
   x = 4,205,847.70/2,108.95
6. Step 6: Final answer
   x = 1,994.29