Finding the Fourth Proportional to 23,042,119.68, 31,798,391.04 and 12,728,626.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,042,119.68 : 31,798,391.04 = 12,728,626.56 : x
2. Step 2: Convert to fraction form
   23,042,119.68/31,798,391.04 = 12,728,626.56/x
3. Step 3: Cross multiply
   23,042,119.68x = 31,798,391.04 × 12,728,626.56
4. Step 4: Simplify right side
   23,042,119.68x = 404,749,844,757,010
5. Step 5: Solve for x
   x = 404,749,844,757,010/23,042,119.68
6. Step 6: Final answer
   x = 17,565,651.53