Finding the Fourth Proportional to 2,736.35, 4,105.18 and 887.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.35 : 4,105.18 = 887.47 : x
2. Step 2: Convert to fraction form
   2,736.35/4,105.18 = 887.47/x
3. Step 3: Cross multiply
   2,736.35x = 4,105.18 × 887.47
4. Step 4: Simplify right side
   2,736.35x = 3,643,211.61
5. Step 5: Solve for x
   x = 3,643,211.61/2,736.35
6. Step 6: Final answer
   x = 1,331.41