Finding the Fourth Proportional to 17,855.38, 24,641.61 and 9,897.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,855.38 : 24,641.61 = 9,897.94 : x
2. Step 2: Convert to fraction form
   17,855.38/24,641.61 = 9,897.94/x
3. Step 3: Cross multiply
   17,855.38x = 24,641.61 × 9,897.94
4. Step 4: Simplify right side
   17,855.38x = 243,901,177.28
5. Step 5: Solve for x
   x = 243,901,177.28/17,855.38
6. Step 6: Final answer
   x = 13,659.81