Finding the Fourth Proportional to 10,112.48, 13,954.84 and 5,636.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.48 : 13,954.84 = 5,636.02 : x
2. Step 2: Convert to fraction form
   10,112.48/13,954.84 = 5,636.02/x
3. Step 3: Cross multiply
   10,112.48x = 13,954.84 × 5,636.02
4. Step 4: Simplify right side
   10,112.48x = 78,649,659.38
5. Step 5: Solve for x
   x = 78,649,659.38/10,112.48
6. Step 6: Final answer
   x = 7,777.48