Finding the Fourth Proportional to 11,216.52, 16,816.55 and 5,377.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,216.52 : 16,816.55 = 5,377.23 : x
2. Step 2: Convert to fraction form
   11,216.52/16,816.55 = 5,377.23/x
3. Step 3: Cross multiply
   11,216.52x = 16,816.55 × 5,377.23
4. Step 4: Simplify right side
   11,216.52x = 90,426,430.27
5. Step 5: Solve for x
   x = 90,426,430.27/11,216.52
6. Step 6: Final answer
   x = 8,061.90