Finding the Fourth Proportional to 1,488.24, 2,218.32 and 1,371.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.24 : 2,218.32 = 1,371.60 : x
2. Step 2: Convert to fraction form
   1,488.24/2,218.32 = 1,371.60/x
3. Step 3: Cross multiply
   1,488.24x = 2,218.32 × 1,371.60
4. Step 4: Simplify right side
   1,488.24x = 3,042,647.71
5. Step 5: Solve for x
   x = 3,042,647.71/1,488.24
6. Step 6: Final answer
   x = 2,044.46