Finding the Fourth Proportional to 1,046.54, 1,567.98 and 558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.54 : 1,567.98 = 558.72 : x
2. Step 2: Convert to fraction form
   1,046.54/1,567.98 = 558.72/x
3. Step 3: Cross multiply
   1,046.54x = 1,567.98 × 558.72
4. Step 4: Simplify right side
   1,046.54x = 876,061.79
5. Step 5: Solve for x
   x = 876,061.79/1,046.54
6. Step 6: Final answer
   x = 837.10