Finding the Fourth Proportional to 2,629.34, 3,942.87 and 1,396.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.34 : 3,942.87 = 1,396.48 : x
2. Step 2: Convert to fraction form
   2,629.34/3,942.87 = 1,396.48/x
3. Step 3: Cross multiply
   2,629.34x = 3,942.87 × 1,396.48
4. Step 4: Simplify right side
   2,629.34x = 5,506,139.10
5. Step 5: Solve for x
   x = 5,506,139.10/2,629.34
6. Step 6: Final answer
   x = 2,094.11