Finding the Fourth Proportional to 17,897.31, 24,697.61 and 9,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,897.31 : 24,697.61 = 9,940.04 : x
2. Step 2: Convert to fraction form
   17,897.31/24,697.61 = 9,940.04/x
3. Step 3: Cross multiply
   17,897.31x = 24,697.61 × 9,940.04
4. Step 4: Simplify right side
   17,897.31x = 245,495,243.35
5. Step 5: Solve for x
   x = 245,495,243.35/17,897.31
6. Step 6: Final answer
   x = 13,716.88