Finding the Fourth Proportional to 21,933,955.32, 30,269,803.74 and 12,144,399.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,933,955.32 : 30,269,803.74 = 12,144,399.42 : x
2. Step 2: Convert to fraction form
   21,933,955.32/30,269,803.74 = 12,144,399.42/x
3. Step 3: Cross multiply
   21,933,955.32x = 30,269,803.74 × 12,144,399.42
4. Step 4: Simplify right side
   21,933,955.32x = 367,608,586,983,569.81
5. Step 5: Solve for x
   x = 367,608,586,983,569.81/21,933,955.32
6. Step 6: Final answer
   x = 16,759,794.65