Finding the Fourth Proportional to 1,654.89, 2,482.69 and 559.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.89 : 2,482.69 = 559.20 : x
2. Step 2: Convert to fraction form
   1,654.89/2,482.69 = 559.20/x
3. Step 3: Cross multiply
   1,654.89x = 2,482.69 × 559.20
4. Step 4: Simplify right side
   1,654.89x = 1,388,320.25
5. Step 5: Solve for x
   x = 1,388,320.25/1,654.89
6. Step 6: Final answer
   x = 838.92