Finding the Fourth Proportional to 10,118.22, 13,964.93 and 7,724.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.22 : 13,964.93 = 7,724.27 : x
2. Step 2: Convert to fraction form
   10,118.22/13,964.93 = 7,724.27/x
3. Step 3: Cross multiply
   10,118.22x = 13,964.93 × 7,724.27
4. Step 4: Simplify right side
   10,118.22x = 107,868,781.41
5. Step 5: Solve for x
   x = 107,868,781.41/10,118.22
6. Step 6: Final answer
   x = 10,660.85