Finding the Fourth Proportional to 2,073.93, 3,114.54 and 1,909.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.93 : 3,114.54 = 1,909.03 : x
2. Step 2: Convert to fraction form
   2,073.93/3,114.54 = 1,909.03/x
3. Step 3: Cross multiply
   2,073.93x = 3,114.54 × 1,909.03
4. Step 4: Simplify right side
   2,073.93x = 5,945,740.75
5. Step 5: Solve for x
   x = 5,945,740.75/2,073.93
6. Step 6: Final answer
   x = 2,866.90