Finding the Fourth Proportional to 22,700,936.08, 31,327,958.15 and 12,388,324.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,700,936.08 : 31,327,958.15 = 12,388,324.69 : x
2. Step 2: Convert to fraction form
   22,700,936.08/31,327,958.15 = 12,388,324.69/x
3. Step 3: Cross multiply
   22,700,936.08x = 31,327,958.15 × 12,388,324.69
4. Step 4: Simplify right side
   22,700,936.08x = 388,100,917,436,931.69
5. Step 5: Solve for x
   x = 388,100,917,436,931.69/22,700,936.08
6. Step 6: Final answer
   x = 17,096,251.72