Finding the Fourth Proportional to 10,112.69, 13,955.58 and 5,636.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.69 : 13,955.58 = 5,636.73 : x
2. Step 2: Convert to fraction form
   10,112.69/13,955.58 = 5,636.73/x
3. Step 3: Cross multiply
   10,112.69x = 13,955.58 × 5,636.73
4. Step 4: Simplify right side
   10,112.69x = 78,663,840.86
5. Step 5: Solve for x
   x = 78,663,840.86/10,112.69
6. Step 6: Final answer
   x = 7,778.72