Finding the Fourth Proportional to 21,933,943.32, 30,269,787.18 and 12,144,387.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,933,943.32 : 30,269,787.18 = 12,144,387.42 : x
2. Step 2: Convert to fraction form
   21,933,943.32/30,269,787.18 = 12,144,387.42/x
3. Step 3: Cross multiply
   21,933,943.32x = 30,269,787.18 × 12,144,387.42
4. Step 4: Simplify right side
   21,933,943.32x = 367,608,022,634,869.25
5. Step 5: Solve for x
   x = 367,608,022,634,869.25/21,933,943.32
6. Step 6: Final answer
   x = 16,759,778.09