Finding the Fourth Proportional to 11,026.50, 15,216.45 and 5,990.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026.50 : 15,216.45 = 5,990.73 : x
2. Step 2: Convert to fraction form
   11,026.50/15,216.45 = 5,990.73/x
3. Step 3: Cross multiply
   11,026.50x = 15,216.45 × 5,990.73
4. Step 4: Simplify right side
   11,026.50x = 91,157,643.51
5. Step 5: Solve for x
   x = 91,157,643.51/11,026.50
6. Step 6: Final answer
   x = 8,267.14