Finding the Fourth Proportional to 17,856.09, 24,640.50 and 9,898.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856.09 : 24,640.50 = 9,898.24 : x
2. Step 2: Convert to fraction form
   17,856.09/24,640.50 = 9,898.24/x
3. Step 3: Cross multiply
   17,856.09x = 24,640.50 × 9,898.24
4. Step 4: Simplify right side
   17,856.09x = 243,897,582.72
5. Step 5: Solve for x
   x = 243,897,582.72/17,856.09
6. Step 6: Final answer
   x = 13,659.07