Finding the Fourth Proportional to 10,388.88, 14,336.81 and 5,673.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.88 : 14,336.81 = 5,673.18 : x
2. Step 2: Convert to fraction form
   10,388.88/14,336.81 = 5,673.18/x
3. Step 3: Cross multiply
   10,388.88x = 14,336.81 × 5,673.18
4. Step 4: Simplify right side
   10,388.88x = 81,335,303.76
5. Step 5: Solve for x
   x = 81,335,303.76/10,388.88
6. Step 6: Final answer
   x = 7,829.07