Finding the Fourth Proportional to 22,335,429.47, 30,823,641.12 and 12,412,730.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,335,429.47 : 30,823,641.12 = 12,412,730.31 : x
2. Step 2: Convert to fraction form
   22,335,429.47/30,823,641.12 = 12,412,730.31/x
3. Step 3: Cross multiply
   22,335,429.47x = 30,823,641.12 × 12,412,730.31
4. Step 4: Simplify right side
   22,335,429.47x = 382,605,544,377,516.94
5. Step 5: Solve for x
   x = 382,605,544,377,516.94/22,335,429.47
6. Step 6: Final answer
   x = 17,129,983.77