Finding the Fourth Proportional to 16,643.43, 22,970.88 and 9,837.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,643.43 : 22,970.88 = 9,837.16 : x
2. Step 2: Convert to fraction form
   16,643.43/22,970.88 = 9,837.16/x
3. Step 3: Cross multiply
   16,643.43x = 22,970.88 × 9,837.16
4. Step 4: Simplify right side
   16,643.43x = 225,968,221.90
5. Step 5: Solve for x
   x = 225,968,221.90/16,643.43
6. Step 6: Final answer
   x = 13,577.02