Finding the Fourth Proportional to 1,594.35, 2,390.85 and 498.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,594.35 : 2,390.85 = 498.42 : x
2. Step 2: Convert to fraction form
   1,594.35/2,390.85 = 498.42/x
3. Step 3: Cross multiply
   1,594.35x = 2,390.85 × 498.42
4. Step 4: Simplify right side
   1,594.35x = 1,191,647.46
5. Step 5: Solve for x
   x = 1,191,647.46/1,594.35
6. Step 6: Final answer
   x = 747.42