Finding the Fourth Proportional to 12,100.29, 18,149.41 and 5,525.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.29 : 18,149.41 = 5,525.97 : x
2. Step 2: Convert to fraction form
   12,100.29/18,149.41 = 5,525.97/x
3. Step 3: Cross multiply
   12,100.29x = 18,149.41 × 5,525.97
4. Step 4: Simplify right side
   12,100.29x = 100,293,095.18
5. Step 5: Solve for x
   x = 100,293,095.18/12,100.29
6. Step 6: Final answer
   x = 8,288.49