Finding the Fourth Proportional to 1,634.24, 2,255.56 and 1,045.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.24 : 2,255.56 = 1,045.02 : x
2. Step 2: Convert to fraction form
   1,634.24/2,255.56 = 1,045.02/x
3. Step 3: Cross multiply
   1,634.24x = 2,255.56 × 1,045.02
4. Step 4: Simplify right side
   1,634.24x = 2,357,105.31
5. Step 5: Solve for x
   x = 2,357,105.31/1,634.24
6. Step 6: Final answer
   x = 1,442.33