Finding the Fourth Proportional to 3,598.78, 4,966.37 and 2,107.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,598.78 : 4,966.37 = 2,107.57 : x
2. Step 2: Convert to fraction form
   3,598.78/4,966.37 = 2,107.57/x
3. Step 3: Cross multiply
   3,598.78x = 4,966.37 × 2,107.57
4. Step 4: Simplify right side
   3,598.78x = 10,466,972.42
5. Step 5: Solve for x
   x = 10,466,972.42/3,598.78
6. Step 6: Final answer
   x = 2,908.48