Finding the Fourth Proportional to 14,469.31, 21,710.72 and 5,116.41

Step by Step Solution

1. Step 1: Write the proportion equation
   14,469.31 : 21,710.72 = 5,116.41 : x
2. Step 2: Convert to fraction form
   14,469.31/21,710.72 = 5,116.41/x
3. Step 3: Cross multiply
   14,469.31x = 21,710.72 × 5,116.41
4. Step 4: Simplify right side
   14,469.31x = 111,080,919.33
5. Step 5: Solve for x
   x = 111,080,919.33/14,469.31
6. Step 6: Final answer
   x = 7,677.00