Finding the Fourth Proportional to 14,044.72, 21,077.96 and 5,287.60

Step by Step Solution

1. Step 1: Write the proportion equation
   14,044.72 : 21,077.96 = 5,287.60 : x
2. Step 2: Convert to fraction form
   14,044.72/21,077.96 = 5,287.60/x
3. Step 3: Cross multiply
   14,044.72x = 21,077.96 × 5,287.60
4. Step 4: Simplify right side
   14,044.72x = 111,451,821.30
5. Step 5: Solve for x
   x = 111,451,821.30/14,044.72
6. Step 6: Final answer
   x = 7,935.50