Finding the Fourth Proportional to 2,740.04, 3,781.31 and 1,561.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.04 : 3,781.31 = 1,561.08 : x
2. Step 2: Convert to fraction form
   2,740.04/3,781.31 = 1,561.08/x
3. Step 3: Cross multiply
   2,740.04x = 3,781.31 × 1,561.08
4. Step 4: Simplify right side
   2,740.04x = 5,902,919.61
5. Step 5: Solve for x
   x = 5,902,919.61/2,740.04
6. Step 6: Final answer
   x = 2,154.32