Finding the Fourth Proportional to 1,046,222.72, 1,568,658.72 and 447,574.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046,222.72 : 1,568,658.72 = 447,574.40 : x
2. Step 2: Convert to fraction form
   1,046,222.72/1,568,658.72 = 447,574.40/x
3. Step 3: Cross multiply
   1,046,222.72x = 1,568,658.72 × 447,574.40
4. Step 4: Simplify right side
   1,046,222.72x = 702,091,485,408.77
5. Step 5: Solve for x
   x = 702,091,485,408.77/1,046,222.72
6. Step 6: Final answer
   x = 671,072.68