Finding the Fourth Proportional to 22,231,666.22, 30,682,921.37 and 12,810,624.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,231,666.22 : 30,682,921.37 = 12,810,624.26 : x
2. Step 2: Convert to fraction form
   22,231,666.22/30,682,921.37 = 12,810,624.26/x
3. Step 3: Cross multiply
   22,231,666.22x = 30,682,921.37 × 12,810,624.26
4. Step 4: Simplify right side
   22,231,666.22x = 393,067,376,652,726.69
5. Step 5: Solve for x
   x = 393,067,376,652,726.69/22,231,666.22
6. Step 6: Final answer
   x = 17,680,518.09