Finding the Fourth Proportional to 744,096.87, 1,116,120.60 and 323,373.15

Step by Step Solution

1. Step 1: Write the proportion equation
   744,096.87 : 1,116,120.60 = 323,373.15 : x
2. Step 2: Convert to fraction form
   744,096.87/1,116,120.60 = 323,373.15/x
3. Step 3: Cross multiply
   744,096.87x = 1,116,120.60 × 323,373.15
4. Step 4: Simplify right side
   744,096.87x = 360,923,434,201.89
5. Step 5: Solve for x
   x = 360,923,434,201.89/744,096.87
6. Step 6: Final answer
   x = 485,048.99