Finding the Fourth Proportional to 14,530.49, 21,788.15 and 5,169.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,530.49 : 21,788.15 = 5,169.15 : x
2. Step 2: Convert to fraction form
   14,530.49/21,788.15 = 5,169.15/x
3. Step 3: Cross multiply
   14,530.49x = 21,788.15 × 5,169.15
4. Step 4: Simplify right side
   14,530.49x = 112,626,106.63
5. Step 5: Solve for x
   x = 112,626,106.63/14,530.49
6. Step 6: Final answer
   x = 7,751.02