Finding the Fourth Proportional to 14,653.27, 21,964.41 and 4,789.90

Step by Step Solution

1. Step 1: Write the proportion equation
   14,653.27 : 21,964.41 = 4,789.90 : x
2. Step 2: Convert to fraction form
   14,653.27/21,964.41 = 4,789.90/x
3. Step 3: Cross multiply
   14,653.27x = 21,964.41 × 4,789.90
4. Step 4: Simplify right side
   14,653.27x = 105,207,327.46
5. Step 5: Solve for x
   x = 105,207,327.46/14,653.27
6. Step 6: Final answer
   x = 7,179.78