Finding the Fourth Proportional to 21,987,019.99, 30,342,123.33 and 12,197,464.41

Step by Step Solution

1. Step 1: Write the proportion equation
   21,987,019.99 : 30,342,123.33 = 12,197,464.41 : x
2. Step 2: Convert to fraction form
   21,987,019.99/30,342,123.33 = 12,197,464.41/x
3. Step 3: Cross multiply
   21,987,019.99x = 30,342,123.33 × 12,197,464.41
4. Step 4: Simplify right side
   21,987,019.99x = 370,096,969,441,505.69
5. Step 5: Solve for x
   x = 370,096,969,441,505.69/21,987,019.99
6. Step 6: Final answer
   x = 16,832,520.72