Finding the Fourth Proportional to 13,892.94, 20,834.55 and 5,993.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.94 : 20,834.55 = 5,993.31 : x
2. Step 2: Convert to fraction form
   13,892.94/20,834.55 = 5,993.31/x
3. Step 3: Cross multiply
   13,892.94x = 20,834.55 × 5,993.31
4. Step 4: Simplify right side
   13,892.94x = 124,867,916.86
5. Step 5: Solve for x
   x = 124,867,916.86/13,892.94
6. Step 6: Final answer
   x = 8,987.87