Finding the Fourth Proportional to 1,593.84, 2,391.12 and 498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.84 : 2,391.12 = 498.72 : x
2. Step 2: Convert to fraction form
   1,593.84/2,391.12 = 498.72/x
3. Step 3: Cross multiply
   1,593.84x = 2,391.12 × 498.72
4. Step 4: Simplify right side
   1,593.84x = 1,192,499.37
5. Step 5: Solve for x
   x = 1,192,499.37/1,593.84
6. Step 6: Final answer
   x = 748.19