Finding the Fourth Proportional to 16,643.29, 22,970.72 and 9,837.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,643.29 : 22,970.72 = 9,837.04 : x
2. Step 2: Convert to fraction form
   16,643.29/22,970.72 = 9,837.04/x
3. Step 3: Cross multiply
   16,643.29x = 22,970.72 × 9,837.04
4. Step 4: Simplify right side
   16,643.29x = 225,963,891.47
5. Step 5: Solve for x
   x = 225,963,891.47/16,643.29
6. Step 6: Final answer
   x = 13,576.88