Finding the Fourth Proportional to 10,383.80, 14,329.10 and 5,667.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,383.80 : 14,329.10 = 5,667.17 : x
2. Step 2: Convert to fraction form
   10,383.80/14,329.10 = 5,667.17/x
3. Step 3: Cross multiply
   10,383.80x = 14,329.10 × 5,667.17
4. Step 4: Simplify right side
   10,383.80x = 81,205,388.17
5. Step 5: Solve for x
   x = 81,205,388.17/10,383.80
6. Step 6: Final answer
   x = 7,820.40