Finding the Fourth Proportional to 21,380.94, 32,026.59 and 13,550.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,380.94 : 32,026.59 = 13,550.94 : x
2. Step 2: Convert to fraction form
   21,380.94/32,026.59 = 13,550.94/x
3. Step 3: Cross multiply
   21,380.94x = 32,026.59 × 13,550.94
4. Step 4: Simplify right side
   21,380.94x = 433,990,399.49
5. Step 5: Solve for x
   x = 433,990,399.49/21,380.94
6. Step 6: Final answer
   x = 20,298.00