Finding the Fourth Proportional to 1,635.30, 2,256.33 and 1,105.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.30 : 2,256.33 = 1,105.16 : x
2. Step 2: Convert to fraction form
   1,635.30/2,256.33 = 1,105.16/x
3. Step 3: Cross multiply
   1,635.30x = 2,256.33 × 1,105.16
4. Step 4: Simplify right side
   1,635.30x = 2,493,594.38
5. Step 5: Solve for x
   x = 2,493,594.38/1,635.30
6. Step 6: Final answer
   x = 1,524.85