Finding the Fourth Proportional to 14,109.84, 21,168.72 and 4,249.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,109.84 : 21,168.72 = 4,249.08 : x
2. Step 2: Convert to fraction form
   14,109.84/21,168.72 = 4,249.08/x
3. Step 3: Cross multiply
   14,109.84x = 21,168.72 × 4,249.08
4. Step 4: Simplify right side
   14,109.84x = 89,947,584.78
5. Step 5: Solve for x
   x = 89,947,584.78/14,109.84
6. Step 6: Final answer
   x = 6,374.81