Finding the Fourth Proportional to 22,942,942.72, 34,414,779 and 12,772,446.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,942,942.72 : 34,414,779 = 12,772,446.64 : x
2. Step 2: Convert to fraction form
   22,942,942.72/34,414,779 = 12,772,446.64/x
3. Step 3: Cross multiply
   22,942,942.72x = 34,414,779 × 12,772,446.64
4. Step 4: Simplify right side
   22,942,942.72x = 439,560,928,404,892.56
5. Step 5: Solve for x
   x = 439,560,928,404,892.56/22,942,942.72
6. Step 6: Final answer
   x = 19,158,873.11