Finding the Fourth Proportional to 2,627.84, 3,940.85 and 896.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.84 : 3,940.85 = 896.06 : x
2. Step 2: Convert to fraction form
   2,627.84/3,940.85 = 896.06/x
3. Step 3: Cross multiply
   2,627.84x = 3,940.85 × 896.06
4. Step 4: Simplify right side
   2,627.84x = 3,531,250.14
5. Step 5: Solve for x
   x = 3,531,250.14/2,627.84
6. Step 6: Final answer
   x = 1,343.78