Finding the Fourth Proportional to 12,300.24, 18,449.28 and 3,533.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.24 : 18,449.28 = 3,533.52 : x
2. Step 2: Convert to fraction form
   12,300.24/18,449.28 = 3,533.52/x
3. Step 3: Cross multiply
   12,300.24x = 18,449.28 × 3,533.52
4. Step 4: Simplify right side
   12,300.24x = 65,190,899.87
5. Step 5: Solve for x
   x = 65,190,899.87/12,300.24
6. Step 6: Final answer
   x = 5,299.97