Finding the Fourth Proportional to 80,563.29, 120,836.43 and 21,404.94

Step by Step Solution

1. Step 1: Write the proportion equation
   80,563.29 : 120,836.43 = 21,404.94 : x
2. Step 2: Convert to fraction form
   80,563.29/120,836.43 = 21,404.94/x
3. Step 3: Cross multiply
   80,563.29x = 120,836.43 × 21,404.94
4. Step 4: Simplify right side
   80,563.29x = 2,586,496,533.96
5. Step 5: Solve for x
   x = 2,586,496,533.96/80,563.29
6. Step 6: Final answer
   x = 32,105.15