Finding the Fourth Proportional to 498,404, 746,384.52 and 450,477.92

Step by Step Solution

1. Step 1: Write the proportion equation
   498,404 : 746,384.52 = 450,477.92 : x
2. Step 2: Convert to fraction form
   498,404/746,384.52 = 450,477.92/x
3. Step 3: Cross multiply
   498,404x = 746,384.52 × 450,477.92
4. Step 4: Simplify right side
   498,404x = 336,229,746,089.80
5. Step 5: Solve for x
   x = 336,229,746,089.80/498,404
6. Step 6: Final answer
   x = 674,612.86