Finding the Fourth Proportional to 2,426.28, 3,636.47 and 1,108.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.28 : 3,636.47 = 1,108.22 : x
2. Step 2: Convert to fraction form
   2,426.28/3,636.47 = 1,108.22/x
3. Step 3: Cross multiply
   2,426.28x = 3,636.47 × 1,108.22
4. Step 4: Simplify right side
   2,426.28x = 4,030,008.78
5. Step 5: Solve for x
   x = 4,030,008.78/2,426.28
6. Step 6: Final answer
   x = 1,660.98