Finding the Fourth Proportional to 2,083.24, 3,126.24 and 987.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.24 : 3,126.24 = 987.73 : x
2. Step 2: Convert to fraction form
   2,083.24/3,126.24 = 987.73/x
3. Step 3: Cross multiply
   2,083.24x = 3,126.24 × 987.73
4. Step 4: Simplify right side
   2,083.24x = 3,087,881.04
5. Step 5: Solve for x
   x = 3,087,881.04/2,083.24
6. Step 6: Final answer
   x = 1,482.25