Finding the Fourth Proportional to 11,983.50, 16,541.55 and 7,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.50 : 16,541.55 = 7,015.50 : x
2. Step 2: Convert to fraction form
   11,983.50/16,541.55 = 7,015.50/x
3. Step 3: Cross multiply
   11,983.50x = 16,541.55 × 7,015.50
4. Step 4: Simplify right side
   11,983.50x = 116,047,244.03
5. Step 5: Solve for x
   x = 116,047,244.03/11,983.50
6. Step 6: Final answer
   x = 9,683.92