Finding the Fourth Proportional to 23,872.78, 32,917.89 and 16,320.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,872.78 : 32,917.89 = 16,320.34 : x
2. Step 2: Convert to fraction form
   23,872.78/32,917.89 = 16,320.34/x
3. Step 3: Cross multiply
   23,872.78x = 32,917.89 × 16,320.34
4. Step 4: Simplify right side
   23,872.78x = 537,231,156.88
5. Step 5: Solve for x
   x = 537,231,156.88/23,872.78
6. Step 6: Final answer
   x = 22,503.92