Finding the Fourth Proportional to 10,081.23, 13,911.82 and 5,605.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.23 : 13,911.82 = 5,605.36 : x
2. Step 2: Convert to fraction form
   10,081.23/13,911.82 = 5,605.36/x
3. Step 3: Cross multiply
   10,081.23x = 13,911.82 × 5,605.36
4. Step 4: Simplify right side
   10,081.23x = 77,980,759.36
5. Step 5: Solve for x
   x = 77,980,759.36/10,081.23
6. Step 6: Final answer
   x = 7,735.24