Finding the Fourth Proportional to 2,472.96, 3,710.10 and 1,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.96 : 3,710.10 = 1,086.62 : x
2. Step 2: Convert to fraction form
   2,472.96/3,710.10 = 1,086.62/x
3. Step 3: Cross multiply
   2,472.96x = 3,710.10 × 1,086.62
4. Step 4: Simplify right side
   2,472.96x = 4,031,454.39
5. Step 5: Solve for x
   x = 4,031,454.39/2,472.96
6. Step 6: Final answer
   x = 1,630.21