Finding the Fourth Proportional to 1,488.54, 2,055.92 and 1,190.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.54 : 2,055.92 = 1,190.82 : x
2. Step 2: Convert to fraction form
   1,488.54/2,055.92 = 1,190.82/x
3. Step 3: Cross multiply
   1,488.54x = 2,055.92 × 1,190.82
4. Step 4: Simplify right side
   1,488.54x = 2,448,230.65
5. Step 5: Solve for x
   x = 2,448,230.65/1,488.54
6. Step 6: Final answer
   x = 1,644.72