Finding the Fourth Proportional to 2,447.15, 3,671.37 and 887.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.15 : 3,671.37 = 887.29 : x
2. Step 2: Convert to fraction form
   2,447.15/3,671.37 = 887.29/x
3. Step 3: Cross multiply
   2,447.15x = 3,671.37 × 887.29
4. Step 4: Simplify right side
   2,447.15x = 3,257,560.71
5. Step 5: Solve for x
   x = 3,257,560.71/2,447.15
6. Step 6: Final answer
   x = 1,331.17