Finding the Fourth Proportional to 14,113.62, 21,171.78 and 5,346.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,113.62 : 21,171.78 = 5,346.18 : x
2. Step 2: Convert to fraction form
   14,113.62/21,171.78 = 5,346.18/x
3. Step 3: Cross multiply
   14,113.62x = 21,171.78 × 5,346.18
4. Step 4: Simplify right side
   14,113.62x = 113,188,146.80
5. Step 5: Solve for x
   x = 113,188,146.80/14,113.62
6. Step 6: Final answer
   x = 8,019.78