Finding the Fourth Proportional to 22,231,656.74, 30,682,908.29 and 12,810,614.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,231,656.74 : 30,682,908.29 = 12,810,614.78 : x
2. Step 2: Convert to fraction form
   22,231,656.74/30,682,908.29 = 12,810,614.78/x
3. Step 3: Cross multiply
   22,231,656.74x = 30,682,908.29 × 12,810,614.78
4. Step 4: Simplify right side
   22,231,656.74x = 393,066,918,215,790.94
5. Step 5: Solve for x
   x = 393,066,918,215,790.94/22,231,656.74
6. Step 6: Final answer
   x = 17,680,505.01