Finding the Fourth Proportional to 17,856.48, 24,642 and 9,898.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856.48 : 24,642 = 9,898.83 : x
2. Step 2: Convert to fraction form
   17,856.48/24,642 = 9,898.83/x
3. Step 3: Cross multiply
   17,856.48x = 24,642 × 9,898.83
4. Step 4: Simplify right side
   17,856.48x = 243,926,968.86
5. Step 5: Solve for x
   x = 243,926,968.86/17,856.48
6. Step 6: Final answer
   x = 13,660.42