Finding the Fourth Proportional to 7,231,422.12, 9,976,890.72 and 4,131,721.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,231,422.12 : 9,976,890.72 = 4,131,721.38 : x
2. Step 2: Convert to fraction form
   7,231,422.12/9,976,890.72 = 4,131,721.38/x
3. Step 3: Cross multiply
   7,231,422.12x = 9,976,890.72 × 4,131,721.38
4. Step 4: Simplify right side
   7,231,422.12x = 41,221,732,693,747.59
5. Step 5: Solve for x
   x = 41,221,732,693,747.59/7,231,422.12
6. Step 6: Final answer
   x = 5,700,363.22