Finding the Fourth Proportional to 14,419.49, 21,624.89 and 7,751.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,419.49 : 21,624.89 = 7,751.88 : x
2. Step 2: Convert to fraction form
   14,419.49/21,624.89 = 7,751.88/x
3. Step 3: Cross multiply
   14,419.49x = 21,624.89 × 7,751.88
4. Step 4: Simplify right side
   14,419.49x = 167,633,513.53
5. Step 5: Solve for x
   x = 167,633,513.53/14,419.49
6. Step 6: Final answer
   x = 11,625.49