Finding the Fourth Proportional to 17,897.49, 24,699 and 9,940.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,897.49 : 24,699 = 9,940.05 : x
2. Step 2: Convert to fraction form
   17,897.49/24,699 = 9,940.05/x
3. Step 3: Cross multiply
   17,897.49x = 24,699 × 9,940.05
4. Step 4: Simplify right side
   17,897.49x = 245,509,294.95
5. Step 5: Solve for x
   x = 245,509,294.95/17,897.49
6. Step 6: Final answer
   x = 13,717.53