Finding the Fourth Proportional to 1,005,911.52, 1,388,174.72 and 576,229.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,911.52 : 1,388,174.72 = 576,229.12 : x
2. Step 2: Convert to fraction form
   1,005,911.52/1,388,174.72 = 576,229.12/x
3. Step 3: Cross multiply
   1,005,911.52x = 1,388,174.72 × 576,229.12
4. Step 4: Simplify right side
   1,005,911.52x = 799,906,697,311.85
5. Step 5: Solve for x
   x = 799,906,697,311.85/1,005,911.52
6. Step 6: Final answer
   x = 795,205.82