Finding the Fourth Proportional to 17,017.50, 23,484.15 and 9,949.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,017.50 : 23,484.15 = 9,949.86 : x
2. Step 2: Convert to fraction form
   17,017.50/23,484.15 = 9,949.86/x
3. Step 3: Cross multiply
   17,017.50x = 23,484.15 × 9,949.86
4. Step 4: Simplify right side
   17,017.50x = 233,664,004.72
5. Step 5: Solve for x
   x = 233,664,004.72/17,017.50
6. Step 6: Final answer
   x = 13,730.81