Finding the Fourth Proportional to 14,436.39, 21,664.35 and 5,076.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,436.39 : 21,664.35 = 5,076.48 : x
2. Step 2: Convert to fraction form
   14,436.39/21,664.35 = 5,076.48/x
3. Step 3: Cross multiply
   14,436.39x = 21,664.35 × 5,076.48
4. Step 4: Simplify right side
   14,436.39x = 109,978,639.49
5. Step 5: Solve for x
   x = 109,978,639.49/14,436.39
6. Step 6: Final answer
   x = 7,618.15