Finding the Fourth Proportional to 21,563,104.77, 32,325,761.46 and 8,109,380.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,563,104.77 : 32,325,761.46 = 8,109,380.61 : x
2. Step 2: Convert to fraction form
   21,563,104.77/32,325,761.46 = 8,109,380.61/x
3. Step 3: Cross multiply
   21,563,104.77x = 32,325,761.46 × 8,109,380.61
4. Step 4: Simplify right side
   21,563,104.77x = 262,141,903,187,209.31
5. Step 5: Solve for x
   x = 262,141,903,187,209.31/21,563,104.77
6. Step 6: Final answer
   x = 12,156,964.68