Finding the Fourth Proportional to 2,736.34, 4,105.09 and 887.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.34 : 4,105.09 = 887.42 : x
2. Step 2: Convert to fraction form
   2,736.34/4,105.09 = 887.42/x
3. Step 3: Cross multiply
   2,736.34x = 4,105.09 × 887.42
4. Step 4: Simplify right side
   2,736.34x = 3,642,938.97
5. Step 5: Solve for x
   x = 3,642,938.97/2,736.34
6. Step 6: Final answer
   x = 1,331.32