Finding the Fourth Proportional to 3,196.07, 4,401.05 and 3,123.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.07 : 4,401.05 = 3,123.29 : x
2. Step 2: Convert to fraction form
   3,196.07/4,401.05 = 3,123.29/x
3. Step 3: Cross multiply
   3,196.07x = 4,401.05 × 3,123.29
4. Step 4: Simplify right side
   3,196.07x = 13,745,717.83
5. Step 5: Solve for x
   x = 13,745,717.83/3,196.07
6. Step 6: Final answer
   x = 4,300.83