Finding the Fourth Proportional to 10,112.08, 13,955.80 and 5,636.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.08 : 13,955.80 = 5,636.24 : x
2. Step 2: Convert to fraction form
   10,112.08/13,955.80 = 5,636.24/x
3. Step 3: Cross multiply
   10,112.08x = 13,955.80 × 5,636.24
4. Step 4: Simplify right side
   10,112.08x = 78,658,238.19
5. Step 5: Solve for x
   x = 78,658,238.19/10,112.08
6. Step 6: Final answer
   x = 7,778.64