Finding the Fourth Proportional to 11,026.54, 15,216.72 and 5,990.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026.54 : 15,216.72 = 5,990.79 : x
2. Step 2: Convert to fraction form
   11,026.54/15,216.72 = 5,990.79/x
3. Step 3: Cross multiply
   11,026.54x = 15,216.72 × 5,990.79
4. Step 4: Simplify right side
   11,026.54x = 91,160,174.01
5. Step 5: Solve for x
   x = 91,160,174.01/11,026.54
6. Step 6: Final answer
   x = 8,267.34