Finding the Fourth Proportional to 1,635.68, 2,257.46 and 1,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.68 : 2,257.46 = 1,111.88 : x
2. Step 2: Convert to fraction form
   1,635.68/2,257.46 = 1,111.88/x
3. Step 3: Cross multiply
   1,635.68x = 2,257.46 × 1,111.88
4. Step 4: Simplify right side
   1,635.68x = 2,510,007.78
5. Step 5: Solve for x
   x = 2,510,007.78/1,635.68
6. Step 6: Final answer
   x = 1,534.54