Finding the Fourth Proportional to 2,741.02, 3,781.65 and 1,561.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.02 : 3,781.65 = 1,561.78 : x
2. Step 2: Convert to fraction form
   2,741.02/3,781.65 = 1,561.78/x
3. Step 3: Cross multiply
   2,741.02x = 3,781.65 × 1,561.78
4. Step 4: Simplify right side
   2,741.02x = 5,906,105.34
5. Step 5: Solve for x
   x = 5,906,105.34/2,741.02
6. Step 6: Final answer
   x = 2,154.71