Finding the Fourth Proportional to 33,916.30, 50,854.47 and 13,919.83

Step by Step Solution

1. Step 1: Write the proportion equation
   33,916.30 : 50,854.47 = 13,919.83 : x
2. Step 2: Convert to fraction form
   33,916.30/50,854.47 = 13,919.83/x
3. Step 3: Cross multiply
   33,916.30x = 50,854.47 × 13,919.83
4. Step 4: Simplify right side
   33,916.30x = 707,885,577.14
5. Step 5: Solve for x
   x = 707,885,577.14/33,916.30
6. Step 6: Final answer
   x = 20,871.54