Finding the Fourth Proportional to 21,168.18, 31,766.86 and 9,494.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,168.18 : 31,766.86 = 9,494.46 : x
2. Step 2: Convert to fraction form
   21,168.18/31,766.86 = 9,494.46/x
3. Step 3: Cross multiply
   21,168.18x = 31,766.86 × 9,494.46
4. Step 4: Simplify right side
   21,168.18x = 301,609,181.60
5. Step 5: Solve for x
   x = 301,609,181.60/21,168.18
6. Step 6: Final answer
   x = 14,248.23