Finding the Fourth Proportional to 10,709.32, 14,778.90 and 5,993.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.32 : 14,778.90 = 5,993.80 : x
2. Step 2: Convert to fraction form
   10,709.32/14,778.90 = 5,993.80/x
3. Step 3: Cross multiply
   10,709.32x = 14,778.90 × 5,993.80
4. Step 4: Simplify right side
   10,709.32x = 88,581,770.82
5. Step 5: Solve for x
   x = 88,581,770.82/10,709.32
6. Step 6: Final answer
   x = 8,271.47