Finding the Fourth Proportional to 11,073.87, 16,620.21 and 5,525.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,073.87 : 16,620.21 = 5,525.55 : x
2. Step 2: Convert to fraction form
   11,073.87/16,620.21 = 5,525.55/x
3. Step 3: Cross multiply
   11,073.87x = 16,620.21 × 5,525.55
4. Step 4: Simplify right side
   11,073.87x = 91,835,801.37
5. Step 5: Solve for x
   x = 91,835,801.37/11,073.87
6. Step 6: Final answer
   x = 8,293.02