Finding the Fourth Proportional to 21,069.84, 29,079.72 and 16,025.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,069.84 : 29,079.72 = 16,025.94 : x
2. Step 2: Convert to fraction form
   21,069.84/29,079.72 = 16,025.94/x
3. Step 3: Cross multiply
   21,069.84x = 29,079.72 × 16,025.94
4. Step 4: Simplify right side
   21,069.84x = 466,029,847.94
5. Step 5: Solve for x
   x = 466,029,847.94/21,069.84
6. Step 6: Final answer
   x = 22,118.34