Finding the Fourth Proportional to 1,488.41, 2,231.00 and 1,000.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.41 : 2,231.00 = 1,000.25 : x
2. Step 2: Convert to fraction form
   1,488.41/2,231.00 = 1,000.25/x
3. Step 3: Cross multiply
   1,488.41x = 2,231.00 × 1,000.25
4. Step 4: Simplify right side
   1,488.41x = 2,231,552.75
5. Step 5: Solve for x
   x = 2,231,552.75/1,488.41
6. Step 6: Final answer
   x = 1,499.29