Finding the Fourth Proportional to 14,662.03, 21,979.71 and 7,633.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,662.03 : 21,979.71 = 7,633.78 : x
2. Step 2: Convert to fraction form
   14,662.03/21,979.71 = 7,633.78/x
3. Step 3: Cross multiply
   14,662.03x = 21,979.71 × 7,633.78
4. Step 4: Simplify right side
   14,662.03x = 167,788,270.60
5. Step 5: Solve for x
   x = 167,788,270.60/14,662.03
6. Step 6: Final answer
   x = 11,443.73