Finding the Fourth Proportional to 3,196.74, 4,411.19 and 2,357.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.74 : 4,411.19 = 2,357.90 : x
2. Step 2: Convert to fraction form
   3,196.74/4,411.19 = 2,357.90/x
3. Step 3: Cross multiply
   3,196.74x = 4,411.19 × 2,357.90
4. Step 4: Simplify right side
   3,196.74x = 10,401,111.06
5. Step 5: Solve for x
   x = 10,401,111.06/3,196.74
6. Step 6: Final answer
   x = 3,253.66