Finding the Fourth Proportional to 2,105.93, 3,149.67 and 1,470.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.93 : 3,149.67 = 1,470.85 : x
2. Step 2: Convert to fraction form
   2,105.93/3,149.67 = 1,470.85/x
3. Step 3: Cross multiply
   2,105.93x = 3,149.67 × 1,470.85
4. Step 4: Simplify right side
   2,105.93x = 4,632,692.12
5. Step 5: Solve for x
   x = 4,632,692.12/2,105.93
6. Step 6: Final answer
   x = 2,199.83