Finding the Fourth Proportional to 22,728,426.18, 31,365,227 and 12,274,441.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,728,426.18 : 31,365,227 = 12,274,441.58 : x
2. Step 2: Convert to fraction form
   22,728,426.18/31,365,227 = 12,274,441.58/x
3. Step 3: Cross multiply
   22,728,426.18x = 31,365,227 × 12,274,441.58
4. Step 4: Simplify right side
   22,728,426.18x = 384,990,646,454,938.69
5. Step 5: Solve for x
   x = 384,990,646,454,938.69/22,728,426.18
6. Step 6: Final answer
   x = 16,938,728.77