Finding the Fourth Proportional to 17,861.39, 24,647.73 and 9,902.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,861.39 : 24,647.73 = 9,902.99 : x
2. Step 2: Convert to fraction form
   17,861.39/24,647.73 = 9,902.99/x
3. Step 3: Cross multiply
   17,861.39x = 24,647.73 × 9,902.99
4. Step 4: Simplify right side
   17,861.39x = 244,086,100.47
5. Step 5: Solve for x
   x = 244,086,100.47/17,861.39
6. Step 6: Final answer
   x = 13,665.58