Finding the Fourth Proportional to 2,740.59, 3,782.03 and 1,561.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.59 : 3,782.03 = 1,561.64 : x
2. Step 2: Convert to fraction form
   2,740.59/3,782.03 = 1,561.64/x
3. Step 3: Cross multiply
   2,740.59x = 3,782.03 × 1,561.64
4. Step 4: Simplify right side
   2,740.59x = 5,906,142.61
5. Step 5: Solve for x
   x = 5,906,142.61/2,740.59
6. Step 6: Final answer
   x = 2,155.06