Finding the Fourth Proportional to 10,380.15, 14,324.45 and 5,664.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380.15 : 14,324.45 = 5,664.33 : x
2. Step 2: Convert to fraction form
   10,380.15/14,324.45 = 5,664.33/x
3. Step 3: Cross multiply
   10,380.15x = 14,324.45 × 5,664.33
4. Step 4: Simplify right side
   10,380.15x = 81,138,383.55
5. Step 5: Solve for x
   x = 81,138,383.55/10,380.15
6. Step 6: Final answer
   x = 7,816.69