Finding the Fourth Proportional to 10,013.28, 13,817.77 and 5,536.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,013.28 : 13,817.77 = 5,536.73 : x
2. Step 2: Convert to fraction form
   10,013.28/13,817.77 = 5,536.73/x
3. Step 3: Cross multiply
   10,013.28x = 13,817.77 × 5,536.73
4. Step 4: Simplify right side
   10,013.28x = 76,505,282.39
5. Step 5: Solve for x
   x = 76,505,282.39/10,013.28
6. Step 6: Final answer
   x = 7,640.38