Finding the Fourth Proportional to 16,388.08, 22,615.56 and 9,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,388.08 : 22,615.56 = 9,314.50 : x
2. Step 2: Convert to fraction form
   16,388.08/22,615.56 = 9,314.50/x
3. Step 3: Cross multiply
   16,388.08x = 22,615.56 × 9,314.50
4. Step 4: Simplify right side
   16,388.08x = 210,652,633.62
5. Step 5: Solve for x
   x = 210,652,633.62/16,388.08
6. Step 6: Final answer
   x = 12,854.02