Finding the Fourth Proportional to 1,488.44, 2,054.76 and 1,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.44 : 2,054.76 = 1,046.72 : x
2. Step 2: Convert to fraction form
   1,488.44/2,054.76 = 1,046.72/x
3. Step 3: Cross multiply
   1,488.44x = 2,054.76 × 1,046.72
4. Step 4: Simplify right side
   1,488.44x = 2,150,758.39
5. Step 5: Solve for x
   x = 2,150,758.39/1,488.44
6. Step 6: Final answer
   x = 1,444.97