Finding the Fourth Proportional to 16,388.06, 22,615.53 and 9,314.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,388.06 : 22,615.53 = 9,314.94 : x
2. Step 2: Convert to fraction form
   16,388.06/22,615.53 = 9,314.94/x
3. Step 3: Cross multiply
   16,388.06x = 22,615.53 × 9,314.94
4. Step 4: Simplify right side
   16,388.06x = 210,662,305.02
5. Step 5: Solve for x
   x = 210,662,305.02/16,388.06
6. Step 6: Final answer
   x = 12,854.62