Finding the Fourth Proportional to 16,388.29, 22,615.85 and 9,314.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,388.29 : 22,615.85 = 9,314.53 : x
2. Step 2: Convert to fraction form
   16,388.29/22,615.85 = 9,314.53/x
3. Step 3: Cross multiply
   16,388.29x = 22,615.85 × 9,314.53
4. Step 4: Simplify right side
   16,388.29x = 210,656,013.30
5. Step 5: Solve for x
   x = 210,656,013.30/16,388.29
6. Step 6: Final answer
   x = 12,854.06