Finding the Fourth Proportional to 2,740.61, 3,782.22 and 1,561.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.61 : 3,782.22 = 1,561.52 : x
2. Step 2: Convert to fraction form
   2,740.61/3,782.22 = 1,561.52/x
3. Step 3: Cross multiply
   2,740.61x = 3,782.22 × 1,561.52
4. Step 4: Simplify right side
   2,740.61x = 5,906,012.17
5. Step 5: Solve for x
   x = 5,906,012.17/2,740.61
6. Step 6: Final answer
   x = 2,155.00