Finding the Fourth Proportional to 12,726,768, 17,562,942.72 and 7,003,632

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726,768 : 17,562,942.72 = 7,003,632 : x
2. Step 2: Convert to fraction form
   12,726,768/17,562,942.72 = 7,003,632/x
3. Step 3: Cross multiply
   12,726,768x = 17,562,942.72 × 7,003,632
4. Step 4: Simplify right side
   12,726,768x = 123,004,387,647,959.03
5. Step 5: Solve for x
   x = 123,004,387,647,959.03/12,726,768
6. Step 6: Final answer
   x = 9,665,013.74