Finding the Fourth Proportional to 3,721.02, 5,581.20 and 1,255.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.02 : 5,581.20 = 1,255.52 : x
2. Step 2: Convert to fraction form
   3,721.02/5,581.20 = 1,255.52/x
3. Step 3: Cross multiply
   3,721.02x = 5,581.20 × 1,255.52
4. Step 4: Simplify right side
   3,721.02x = 7,007,308.22
5. Step 5: Solve for x
   x = 7,007,308.22/3,721.02
6. Step 6: Final answer
   x = 1,883.17