Finding the Fourth Proportional to 2,472.86, 3,710.32 and 1,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.86 : 3,710.32 = 1,085.48 : x
2. Step 2: Convert to fraction form
   2,472.86/3,710.32 = 1,085.48/x
3. Step 3: Cross multiply
   2,472.86x = 3,710.32 × 1,085.48
4. Step 4: Simplify right side
   2,472.86x = 4,027,478.15
5. Step 5: Solve for x
   x = 4,027,478.15/2,472.86
6. Step 6: Final answer
   x = 1,628.67