Finding the Fourth Proportional to 10,226.18, 14,116.88 and 7,709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,226.18 : 14,116.88 = 7,709.31 : x
2. Step 2: Convert to fraction form
   10,226.18/14,116.88 = 7,709.31/x
3. Step 3: Cross multiply
   10,226.18x = 14,116.88 × 7,709.31
4. Step 4: Simplify right side
   10,226.18x = 108,831,404.15
5. Step 5: Solve for x
   x = 108,831,404.15/10,226.18
6. Step 6: Final answer
   x = 10,642.43