Finding the Fourth Proportional to 22,422,398.51, 30,942,908.76 and 12,109,120.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,422,398.51 : 30,942,908.76 = 12,109,120.61 : x
2. Step 2: Convert to fraction form
   22,422,398.51/30,942,908.76 = 12,109,120.61/x
3. Step 3: Cross multiply
   22,422,398.51x = 30,942,908.76 × 12,109,120.61
4. Step 4: Simplify right side
   22,422,398.51x = 374,691,413,983,805.38
5. Step 5: Solve for x
   x = 374,691,413,983,805.38/22,422,398.51
6. Step 6: Final answer
   x = 16,710,585.80