Finding the Fourth Proportional to 17,856.23, 24,642.41 and 9,898.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856.23 : 24,642.41 = 9,898.61 : x
2. Step 2: Convert to fraction form
   17,856.23/24,642.41 = 9,898.61/x
3. Step 3: Cross multiply
   17,856.23x = 24,642.41 × 9,898.61
4. Step 4: Simplify right side
   17,856.23x = 243,925,433.35
5. Step 5: Solve for x
   x = 243,925,433.35/17,856.23
6. Step 6: Final answer
   x = 13,660.53