Finding the Fourth Proportional to 801,184.50, 1,105,634.61 and 443,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   801,184.50 : 1,105,634.61 = 443,488.50 : x
2. Step 2: Convert to fraction form
   801,184.50/1,105,634.61 = 443,488.50/x
3. Step 3: Cross multiply
   801,184.50x = 1,105,634.61 × 443,488.50
4. Step 4: Simplify right side
   801,184.50x = 490,336,234,736.99
5. Step 5: Solve for x
   x = 490,336,234,736.99/801,184.50
6. Step 6: Final answer
   x = 612,014.13