Finding the Fourth Proportional to 2,740.52, 3,782.02 and 1,561.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.52 : 3,782.02 = 1,561.56 : x
2. Step 2: Convert to fraction form
   2,740.52/3,782.02 = 1,561.56/x
3. Step 3: Cross multiply
   2,740.52x = 3,782.02 × 1,561.56
4. Step 4: Simplify right side
   2,740.52x = 5,905,851.15
5. Step 5: Solve for x
   x = 5,905,851.15/2,740.52
6. Step 6: Final answer
   x = 2,155.01