Finding the Fourth Proportional to 17,190.80, 23,724.72 and 9,637

Step by Step Solution

1. Step 1: Write the proportion equation
   17,190.80 : 23,724.72 = 9,637 : x
2. Step 2: Convert to fraction form
   17,190.80/23,724.72 = 9,637/x
3. Step 3: Cross multiply
   17,190.80x = 23,724.72 × 9,637
4. Step 4: Simplify right side
   17,190.80x = 228,635,126.64
5. Step 5: Solve for x
   x = 228,635,126.64/17,190.80
6. Step 6: Final answer
   x = 13,299.85