Finding the Fourth Proportional to 17,855.31, 24,641.10 and 9,897.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,855.31 : 24,641.10 = 9,897.54 : x
2. Step 2: Convert to fraction form
   17,855.31/24,641.10 = 9,897.54/x
3. Step 3: Cross multiply
   17,855.31x = 24,641.10 × 9,897.54
4. Step 4: Simplify right side
   17,855.31x = 243,886,272.89
5. Step 5: Solve for x
   x = 243,886,272.89/17,855.31
6. Step 6: Final answer
   x = 13,659.03