Finding the Fourth Proportional to 17,443.35, 24,072.80 and 9,886.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.35 : 24,072.80 = 9,886.86 : x
2. Step 2: Convert to fraction form
   17,443.35/24,072.80 = 9,886.86/x
3. Step 3: Cross multiply
   17,443.35x = 24,072.80 × 9,886.86
4. Step 4: Simplify right side
   17,443.35x = 238,004,353.97
5. Step 5: Solve for x
   x = 238,004,353.97/17,443.35
6. Step 6: Final answer
   x = 13,644.42