Finding the Fourth Proportional to 2,448.82, 3,673.22 and 987.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.82 : 3,673.22 = 987.95 : x
2. Step 2: Convert to fraction form
   2,448.82/3,673.22 = 987.95/x
3. Step 3: Cross multiply
   2,448.82x = 3,673.22 × 987.95
4. Step 4: Simplify right side
   2,448.82x = 3,628,961.94
5. Step 5: Solve for x
   x = 3,628,961.94/2,448.82
6. Step 6: Final answer
   x = 1,481.92