Finding the Fourth Proportional to 10,112.73, 13,955.18 and 5,636.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.73 : 13,955.18 = 5,636.27 : x
2. Step 2: Convert to fraction form
   10,112.73/13,955.18 = 5,636.27/x
3. Step 3: Cross multiply
   10,112.73x = 13,955.18 × 5,636.27
4. Step 4: Simplify right side
   10,112.73x = 78,655,162.38
5. Step 5: Solve for x
   x = 78,655,162.38/10,112.73
6. Step 6: Final answer
   x = 7,777.84