Finding the Fourth Proportional to 8,320.50, 12,483.48 and 3,393.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.50 : 12,483.48 = 3,393.08 : x
2. Step 2: Convert to fraction form
   8,320.50/12,483.48 = 3,393.08/x
3. Step 3: Cross multiply
   8,320.50x = 12,483.48 × 3,393.08
4. Step 4: Simplify right side
   8,320.50x = 42,357,446.32
5. Step 5: Solve for x
   x = 42,357,446.32/8,320.50
6. Step 6: Final answer
   x = 5,090.73