Finding the Fourth Proportional to 2,098.50, 3,147.76 and 559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.50 : 3,147.76 = 559.50 : x
2. Step 2: Convert to fraction form
   2,098.50/3,147.76 = 559.50/x
3. Step 3: Cross multiply
   2,098.50x = 3,147.76 × 559.50
4. Step 4: Simplify right side
   2,098.50x = 1,761,171.72
5. Step 5: Solve for x
   x = 1,761,171.72/2,098.50
6. Step 6: Final answer
   x = 839.25