Finding the Fourth Proportional to 10,012.47, 13,816.47 and 5,536.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.47 : 13,816.47 = 5,536.28 : x
2. Step 2: Convert to fraction form
   10,012.47/13,816.47 = 5,536.28/x
3. Step 3: Cross multiply
   10,012.47x = 13,816.47 × 5,536.28
4. Step 4: Simplify right side
   10,012.47x = 76,491,846.53
5. Step 5: Solve for x
   x = 76,491,846.53/10,012.47
6. Step 6: Final answer
   x = 7,639.66