Finding the Fourth Proportional to 10,081.68, 13,911.93 and 5,605.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.68 : 13,911.93 = 5,605.62 : x
2. Step 2: Convert to fraction form
   10,081.68/13,911.93 = 5,605.62/x
3. Step 3: Cross multiply
   10,081.68x = 13,911.93 × 5,605.62
4. Step 4: Simplify right side
   10,081.68x = 77,984,993.05
5. Step 5: Solve for x
   x = 77,984,993.05/10,081.68
6. Step 6: Final answer
   x = 7,735.32