Finding the Fourth Proportional to 11,199.45, 16,802.82 and 5,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,199.45 : 16,802.82 = 5,356.50 : x
2. Step 2: Convert to fraction form
   11,199.45/16,802.82 = 5,356.50/x
3. Step 3: Cross multiply
   11,199.45x = 16,802.82 × 5,356.50
4. Step 4: Simplify right side
   11,199.45x = 90,004,305.33
5. Step 5: Solve for x
   x = 90,004,305.33/11,199.45
6. Step 6: Final answer
   x = 8,036.49