Finding the Fourth Proportional to 1,488.00, 2,231.96 and 1,442.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.00 : 2,231.96 = 1,442.89 : x
2. Step 2: Convert to fraction form
   1,488.00/2,231.96 = 1,442.89/x
3. Step 3: Cross multiply
   1,488.00x = 2,231.96 × 1,442.89
4. Step 4: Simplify right side
   1,488.00x = 3,220,462.06
5. Step 5: Solve for x
   x = 3,220,462.06/1,488.00
6. Step 6: Final answer
   x = 2,164.30