Finding the Fourth Proportional to 2,447.82, 3,669.50 and 887.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.82 : 3,669.50 = 887.15 : x
2. Step 2: Convert to fraction form
   2,447.82/3,669.50 = 887.15/x
3. Step 3: Cross multiply
   2,447.82x = 3,669.50 × 887.15
4. Step 4: Simplify right side
   2,447.82x = 3,255,408.32
5. Step 5: Solve for x
   x = 3,255,408.32/2,447.82
6. Step 6: Final answer
   x = 1,329.92