Finding the Fourth Proportional to 1,594.17, 2,391.57 and 498.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,594.17 : 2,391.57 = 498.30 : x
2. Step 2: Convert to fraction form
   1,594.17/2,391.57 = 498.30/x
3. Step 3: Cross multiply
   1,594.17x = 2,391.57 × 498.30
4. Step 4: Simplify right side
   1,594.17x = 1,191,719.33
5. Step 5: Solve for x
   x = 1,191,719.33/1,594.17
6. Step 6: Final answer
   x = 747.55