Finding the Fourth Proportional to 1,065,198.72, 1,469,777.88 and 629,686.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,198.72 : 1,469,777.88 = 629,686.32 : x
2. Step 2: Convert to fraction form
   1,065,198.72/1,469,777.88 = 629,686.32/x
3. Step 3: Cross multiply
   1,065,198.72x = 1,469,777.88 × 629,686.32
4. Step 4: Simplify right side
   1,065,198.72x = 925,499,024,474.60
5. Step 5: Solve for x
   x = 925,499,024,474.60/1,065,198.72
6. Step 6: Final answer
   x = 868,851.05