Finding the Fourth Proportional to 21,722,641.94, 32,597,418.42 and 12,629,019.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,722,641.94 : 32,597,418.42 = 12,629,019.40 : x
2. Step 2: Convert to fraction form
   21,722,641.94/32,597,418.42 = 12,629,019.40/x
3. Step 3: Cross multiply
   21,722,641.94x = 32,597,418.42 × 12,629,019.40
4. Step 4: Simplify right side
   21,722,641.94x = 411,673,429,616,097.38
5. Step 5: Solve for x
   x = 411,673,429,616,097.38/21,722,641.94
6. Step 6: Final answer
   x = 18,951,351.81