Finding the Fourth Proportional to 23,890.78, 32,942.70 and 16,338.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,890.78 : 32,942.70 = 16,338.34 : x
2. Step 2: Convert to fraction form
   23,890.78/32,942.70 = 16,338.34/x
3. Step 3: Cross multiply
   23,890.78x = 32,942.70 × 16,338.34
4. Step 4: Simplify right side
   23,890.78x = 538,229,033.12
5. Step 5: Solve for x
   x = 538,229,033.12/23,890.78
6. Step 6: Final answer
   x = 22,528.73