Finding the Fourth Proportional to 11,026.20, 15,216.27 and 5,990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026.20 : 15,216.27 = 5,990.52 : x
2. Step 2: Convert to fraction form
   11,026.20/15,216.27 = 5,990.52/x
3. Step 3: Cross multiply
   11,026.20x = 15,216.27 × 5,990.52
4. Step 4: Simplify right side
   11,026.20x = 91,153,369.76
5. Step 5: Solve for x
   x = 91,153,369.76/11,026.20
6. Step 6: Final answer
   x = 8,266.98