Finding the Fourth Proportional to 2,812.72, 4,196.18 and 2,353.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812.72 : 4,196.18 = 2,353.36 : x
2. Step 2: Convert to fraction form
   2,812.72/4,196.18 = 2,353.36/x
3. Step 3: Cross multiply
   2,812.72x = 4,196.18 × 2,353.36
4. Step 4: Simplify right side
   2,812.72x = 9,875,122.16
5. Step 5: Solve for x
   x = 9,875,122.16/2,812.72
6. Step 6: Final answer
   x = 3,510.88