Finding the Fourth Proportional to 33,870.51, 50,785.72 and 13,874.04

Step by Step Solution

1. Step 1: Write the proportion equation
   33,870.51 : 50,785.72 = 13,874.04 : x
2. Step 2: Convert to fraction form
   33,870.51/50,785.72 = 13,874.04/x
3. Step 3: Cross multiply
   33,870.51x = 50,785.72 × 13,874.04
4. Step 4: Simplify right side
   33,870.51x = 704,603,076.02
5. Step 5: Solve for x
   x = 704,603,076.02/33,870.51
6. Step 6: Final answer
   x = 20,802.85