Finding the Fourth Proportional to 16,988.50, 23,443.76 and 9,434.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,988.50 : 23,443.76 = 9,434.41 : x
2. Step 2: Convert to fraction form
   16,988.50/23,443.76 = 9,434.41/x
3. Step 3: Cross multiply
   16,988.50x = 23,443.76 × 9,434.41
4. Step 4: Simplify right side
   16,988.50x = 221,178,008.76
5. Step 5: Solve for x
   x = 221,178,008.76/16,988.50
6. Step 6: Final answer
   x = 13,019.28