Finding the Fourth Proportional to 21,580,474.86, 32,373,405.97 and 8,448,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,580,474.86 : 32,373,405.97 = 8,448,196.52 : x
2. Step 2: Convert to fraction form
   21,580,474.86/32,373,405.97 = 8,448,196.52/x
3. Step 3: Cross multiply
   21,580,474.86x = 32,373,405.97 × 8,448,196.52
4. Step 4: Simplify right side
   21,580,474.86x = 273,496,895,494,434.22
5. Step 5: Solve for x
   x = 273,496,895,494,434.22/21,580,474.86
6. Step 6: Final answer
   x = 12,673,349.28