Finding the Fourth Proportional to 8,323.97, 12,488.38 and 3,392.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.97 : 12,488.38 = 3,392.69 : x
2. Step 2: Convert to fraction form
   8,323.97/12,488.38 = 3,392.69/x
3. Step 3: Cross multiply
   8,323.97x = 12,488.38 × 3,392.69
4. Step 4: Simplify right side
   8,323.97x = 42,369,131.02
5. Step 5: Solve for x
   x = 42,369,131.02/8,323.97
6. Step 6: Final answer
   x = 5,090.02