Finding the Fourth Proportional to 11,020.50, 16,508.52 and 5,089.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,020.50 : 16,508.52 = 5,089.02 : x
2. Step 2: Convert to fraction form
   11,020.50/16,508.52 = 5,089.02/x
3. Step 3: Cross multiply
   11,020.50x = 16,508.52 × 5,089.02
4. Step 4: Simplify right side
   11,020.50x = 84,012,188.45
5. Step 5: Solve for x
   x = 84,012,188.45/11,020.50
6. Step 6: Final answer
   x = 7,623.26