Finding the Fourth Proportional to 800,810.16, 1,105,118.04 and 438,234.03

Step by Step Solution

1. Step 1: Write the proportion equation
   800,810.16 : 1,105,118.04 = 438,234.03 : x
2. Step 2: Convert to fraction form
   800,810.16/1,105,118.04 = 438,234.03/x
3. Step 3: Cross multiply
   800,810.16x = 1,105,118.04 × 438,234.03
4. Step 4: Simplify right side
   800,810.16x = 484,300,332,294.90
5. Step 5: Solve for x
   x = 484,300,332,294.90/800,810.16
6. Step 6: Final answer
   x = 604,762.97