Finding the Fourth Proportional to 8,322.24, 12,483.33 and 3,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.24 : 12,483.33 = 3,390.72 : x
2. Step 2: Convert to fraction form
   8,322.24/12,483.33 = 3,390.72/x
3. Step 3: Cross multiply
   8,322.24x = 12,483.33 × 3,390.72
4. Step 4: Simplify right side
   8,322.24x = 42,327,476.70
5. Step 5: Solve for x
   x = 42,327,476.70/8,322.24
6. Step 6: Final answer
   x = 5,086.07