Finding the Fourth Proportional to 2,061.54, 3,077.30 and 1,909.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.54 : 3,077.30 = 1,909.26 : x
2. Step 2: Convert to fraction form
   2,061.54/3,077.30 = 1,909.26/x
3. Step 3: Cross multiply
   2,061.54x = 3,077.30 × 1,909.26
4. Step 4: Simplify right side
   2,061.54x = 5,875,350.41
5. Step 5: Solve for x
   x = 5,875,350.41/2,061.54
6. Step 6: Final answer
   x = 2,849.99