Finding the Fourth Proportional to 2,573.77, 3,552.00 and 1,439.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.77 : 3,552.00 = 1,439.54 : x
2. Step 2: Convert to fraction form
   2,573.77/3,552.00 = 1,439.54/x
3. Step 3: Cross multiply
   2,573.77x = 3,552.00 × 1,439.54
4. Step 4: Simplify right side
   2,573.77x = 5,113,238.88
5. Step 5: Solve for x
   x = 5,113,238.88/2,573.77
6. Step 6: Final answer
   x = 1,986.68