Finding the Fourth Proportional to 33,978.29, 46,874.64 and 21,874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,978.29 : 46,874.64 = 21,874.42 : x
2. Step 2: Convert to fraction form
   33,978.29/46,874.64 = 21,874.42/x
3. Step 3: Cross multiply
   33,978.29x = 46,874.64 × 21,874.42
4. Step 4: Simplify right side
   33,978.29x = 1,025,355,445.52
5. Step 5: Solve for x
   x = 1,025,355,445.52/33,978.29
6. Step 6: Final answer
   x = 30,176.79