Finding the Fourth Proportional to 17,897.05, 24,697.56 and 9,939.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,897.05 : 24,697.56 = 9,939.13 : x
2. Step 2: Convert to fraction form
   17,897.05/24,697.56 = 9,939.13/x
3. Step 3: Cross multiply
   17,897.05x = 24,697.56 × 9,939.13
4. Step 4: Simplify right side
   17,897.05x = 245,472,259.52
5. Step 5: Solve for x
   x = 245,472,259.52/17,897.05
6. Step 6: Final answer
   x = 13,715.79