Finding the Fourth Proportional to 2,224.61, 3,067.57 and 1,561.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.61 : 3,067.57 = 1,561.25 : x
2. Step 2: Convert to fraction form
   2,224.61/3,067.57 = 1,561.25/x
3. Step 3: Cross multiply
   2,224.61x = 3,067.57 × 1,561.25
4. Step 4: Simplify right side
   2,224.61x = 4,789,243.66
5. Step 5: Solve for x
   x = 4,789,243.66/2,224.61
6. Step 6: Final answer
   x = 2,152.85