Finding the Fourth Proportional to 17,443.76, 24,072.27 and 9,485.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.76 : 24,072.27 = 9,485.78 : x
2. Step 2: Convert to fraction form
   17,443.76/24,072.27 = 9,485.78/x
3. Step 3: Cross multiply
   17,443.76x = 24,072.27 × 9,485.78
4. Step 4: Simplify right side
   17,443.76x = 228,344,257.32
5. Step 5: Solve for x
   x = 228,344,257.32/17,443.76
6. Step 6: Final answer
   x = 13,090.31