Finding the Fourth Proportional to 2,610.43, 3,916.61 and 1,224.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.43 : 3,916.61 = 1,224.22 : x
2. Step 2: Convert to fraction form
   2,610.43/3,916.61 = 1,224.22/x
3. Step 3: Cross multiply
   2,610.43x = 3,916.61 × 1,224.22
4. Step 4: Simplify right side
   2,610.43x = 4,794,792.29
5. Step 5: Solve for x
   x = 4,794,792.29/2,610.43
6. Step 6: Final answer
   x = 1,836.78