Finding the Fourth Proportional to 1,654.50, 2,481.52 and 558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.50 : 2,481.52 = 558.72 : x
2. Step 2: Convert to fraction form
   1,654.50/2,481.52 = 558.72/x
3. Step 3: Cross multiply
   1,654.50x = 2,481.52 × 558.72
4. Step 4: Simplify right side
   1,654.50x = 1,386,474.85
5. Step 5: Solve for x
   x = 1,386,474.85/1,654.50
6. Step 6: Final answer
   x = 838.00