Finding the Fourth Proportional to 10,081.77, 13,912.83 and 5,605.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.77 : 13,912.83 = 5,605.38 : x
2. Step 2: Convert to fraction form
   10,081.77/13,912.83 = 5,605.38/x
3. Step 3: Cross multiply
   10,081.77x = 13,912.83 × 5,605.38
4. Step 4: Simplify right side
   10,081.77x = 77,986,699.03
5. Step 5: Solve for x
   x = 77,986,699.03/10,081.77
6. Step 6: Final answer
   x = 7,735.42