Finding the Fourth Proportional to 12,200.32, 18,300.96 and 5,535.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.32 : 18,300.96 = 5,535.52 : x
2. Step 2: Convert to fraction form
   12,200.32/18,300.96 = 5,535.52/x
3. Step 3: Cross multiply
   12,200.32x = 18,300.96 × 5,535.52
4. Step 4: Simplify right side
   12,200.32x = 101,305,330.10
5. Step 5: Solve for x
   x = 101,305,330.10/12,200.32
6. Step 6: Final answer
   x = 8,303.50