Finding the Fourth Proportional to 3,483.52, 4,807.44 and 2,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.52 : 4,807.44 = 2,086.72 : x
2. Step 2: Convert to fraction form
   3,483.52/4,807.44 = 2,086.72/x
3. Step 3: Cross multiply
   3,483.52x = 4,807.44 × 2,086.72
4. Step 4: Simplify right side
   3,483.52x = 10,031,781.20
5. Step 5: Solve for x
   x = 10,031,781.20/3,483.52
6. Step 6: Final answer
   x = 2,879.78