Finding the Fourth Proportional to 1,034.32, 1,550.41 and 417.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.32 : 1,550.41 = 417.61 : x
2. Step 2: Convert to fraction form
   1,034.32/1,550.41 = 417.61/x
3. Step 3: Cross multiply
   1,034.32x = 1,550.41 × 417.61
4. Step 4: Simplify right side
   1,034.32x = 647,466.72
5. Step 5: Solve for x
   x = 647,466.72/1,034.32
6. Step 6: Final answer
   x = 625.98