Finding the Fourth Proportional to 10,112.27, 13,954.95 and 5,636.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.27 : 13,954.95 = 5,636.91 : x
2. Step 2: Convert to fraction form
   10,112.27/13,954.95 = 5,636.91/x
3. Step 3: Cross multiply
   10,112.27x = 13,954.95 × 5,636.91
4. Step 4: Simplify right side
   10,112.27x = 78,662,849.54
5. Step 5: Solve for x
   x = 78,662,849.54/10,112.27
6. Step 6: Final answer
   x = 7,778.95