Finding the Fourth Proportional to 493,087.92, 736,064.46 and 433,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   493,087.92 : 736,064.46 = 433,300.56 : x
2. Step 2: Convert to fraction form
   493,087.92/736,064.46 = 433,300.56/x
3. Step 3: Cross multiply
   493,087.92x = 736,064.46 × 433,300.56
4. Step 4: Simplify right side
   493,087.92x = 318,937,142,714.10
5. Step 5: Solve for x
   x = 318,937,142,714.10/493,087.92
6. Step 6: Final answer
   x = 646,815.97