Finding the Fourth Proportional to 10,011.72, 13,816.34 and 5,819.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.72 : 13,816.34 = 5,819.97 : x
2. Step 2: Convert to fraction form
   10,011.72/13,816.34 = 5,819.97/x
3. Step 3: Cross multiply
   10,011.72x = 13,816.34 × 5,819.97
4. Step 4: Simplify right side
   10,011.72x = 80,410,684.31
5. Step 5: Solve for x
   x = 80,410,684.31/10,011.72
6. Step 6: Final answer
   x = 8,031.66