Finding the Fourth Proportional to 33,420.78, 46,078.20 and 23,872.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,420.78 : 46,078.20 = 23,872.10 : x
2. Step 2: Convert to fraction form
   33,420.78/46,078.20 = 23,872.10/x
3. Step 3: Cross multiply
   33,420.78x = 46,078.20 × 23,872.10
4. Step 4: Simplify right side
   33,420.78x = 1,099,983,167.83
5. Step 5: Solve for x
   x = 1,099,983,167.83/33,420.78
6. Step 6: Final answer
   x = 32,913.15