Finding the Fourth Proportional to 21,397,932.45, 32,076,930.33 and 8,444,191.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,397,932.45 : 32,076,930.33 = 8,444,191.05 : x
2. Step 2: Convert to fraction form
   21,397,932.45/32,076,930.33 = 8,444,191.05/x
3. Step 3: Cross multiply
   21,397,932.45x = 32,076,930.33 × 8,444,191.05
4. Step 4: Simplify right side
   21,397,932.45x = 270,863,728,004,059.56
5. Step 5: Solve for x
   x = 270,863,728,004,059.56/21,397,932.45
6. Step 6: Final answer
   x = 12,658,406.54