Finding the Fourth Proportional to 8,483.82, 12,721.62 and 2,935.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,483.82 : 12,721.62 = 2,935.20 : x
2. Step 2: Convert to fraction form
   8,483.82/12,721.62 = 2,935.20/x
3. Step 3: Cross multiply
   8,483.82x = 12,721.62 × 2,935.20
4. Step 4: Simplify right side
   8,483.82x = 37,340,499.02
5. Step 5: Solve for x
   x = 37,340,499.02/8,483.82
6. Step 6: Final answer
   x = 4,401.38