Finding the Fourth Proportional to 17,853.72, 24,636.96 and 9,896.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,853.72 : 24,636.96 = 9,896.28 : x
2. Step 2: Convert to fraction form
   17,853.72/24,636.96 = 9,896.28/x
3. Step 3: Cross multiply
   17,853.72x = 24,636.96 × 9,896.28
4. Step 4: Simplify right side
   17,853.72x = 243,814,254.51
5. Step 5: Solve for x
   x = 243,814,254.51/17,853.72
6. Step 6: Final answer
   x = 13,656.22