Finding the Fourth Proportional to 10,069.85, 13,894.72 and 5,821.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,069.85 : 13,894.72 = 5,821.31 : x
2. Step 2: Convert to fraction form
   10,069.85/13,894.72 = 5,821.31/x
3. Step 3: Cross multiply
   10,069.85x = 13,894.72 × 5,821.31
4. Step 4: Simplify right side
   10,069.85x = 80,885,472.48
5. Step 5: Solve for x
   x = 80,885,472.48/10,069.85
6. Step 6: Final answer
   x = 8,032.44