Finding the Fourth Proportional to 16,988.72, 23,444.56 and 9,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,988.72 : 23,444.56 = 9,536.72 : x
2. Step 2: Convert to fraction form
   16,988.72/23,444.56 = 9,536.72/x
3. Step 3: Cross multiply
   16,988.72x = 23,444.56 × 9,536.72
4. Step 4: Simplify right side
   16,988.72x = 223,584,204.24
5. Step 5: Solve for x
   x = 223,584,204.24/16,988.72
6. Step 6: Final answer
   x = 13,160.74