Finding the Fourth Proportional to 11,561.99, 17,328.38 and 9,637.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,561.99 : 17,328.38 = 9,637.43 : x
2. Step 2: Convert to fraction form
   11,561.99/17,328.38 = 9,637.43/x
3. Step 3: Cross multiply
   11,561.99x = 17,328.38 × 9,637.43
4. Step 4: Simplify right side
   11,561.99x = 167,000,914.43
5. Step 5: Solve for x
   x = 167,000,914.43/11,561.99
6. Step 6: Final answer
   x = 14,443.97