Finding the Fourth Proportional to 17,856.38, 24,643.25 and 9,901.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856.38 : 24,643.25 = 9,901.17 : x
2. Step 2: Convert to fraction form
   17,856.38/24,643.25 = 9,901.17/x
3. Step 3: Cross multiply
   17,856.38x = 24,643.25 × 9,901.17
4. Step 4: Simplify right side
   17,856.38x = 243,997,007.60
5. Step 5: Solve for x
   x = 243,997,007.60/17,856.38
6. Step 6: Final answer
   x = 13,664.42