Finding the Fourth Proportional to 11,962.76, 17,900.25 and 9,983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,962.76 : 17,900.25 = 9,983.50 : x
2. Step 2: Convert to fraction form
   11,962.76/17,900.25 = 9,983.50/x
3. Step 3: Cross multiply
   11,962.76x = 17,900.25 × 9,983.50
4. Step 4: Simplify right side
   11,962.76x = 178,707,006.46
5. Step 5: Solve for x
   x = 178,707,006.46/11,962.76
6. Step 6: Final answer
   x = 14,938.62