Finding the Fourth Proportional to 2,472.80, 3,707.85 and 1,010.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.80 : 3,707.85 = 1,010.30 : x
2. Step 2: Convert to fraction form
   2,472.80/3,707.85 = 1,010.30/x
3. Step 3: Cross multiply
   2,472.80x = 3,707.85 × 1,010.30
4. Step 4: Simplify right side
   2,472.80x = 3,746,040.86
5. Step 5: Solve for x
   x = 3,746,040.86/2,472.80
6. Step 6: Final answer
   x = 1,514.90