Finding the Fourth Proportional to 1,162,819.94, 1,744,493.16 and 404,697.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162,819.94 : 1,744,493.16 = 404,697.20 : x
2. Step 2: Convert to fraction form
   1,162,819.94/1,744,493.16 = 404,697.20/x
3. Step 3: Cross multiply
   1,162,819.94x = 1,744,493.16 × 404,697.20
4. Step 4: Simplify right side
   1,162,819.94x = 705,991,497,271.15
5. Step 5: Solve for x
   x = 705,991,497,271.15/1,162,819.94
6. Step 6: Final answer
   x = 607,137.42