Finding the Fourth Proportional to 1,654.56, 2,482.34 and 558.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.56 : 2,482.34 = 558.83 : x
2. Step 2: Convert to fraction form
   1,654.56/2,482.34 = 558.83/x
3. Step 3: Cross multiply
   1,654.56x = 2,482.34 × 558.83
4. Step 4: Simplify right side
   1,654.56x = 1,387,190.86
5. Step 5: Solve for x
   x = 1,387,190.86/1,654.56
6. Step 6: Final answer
   x = 838.40