Finding the Fourth Proportional to 3,781.91, 5,673.05 and 1,008.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781.91 : 5,673.05 = 1,008.61 : x
2. Step 2: Convert to fraction form
   3,781.91/5,673.05 = 1,008.61/x
3. Step 3: Cross multiply
   3,781.91x = 5,673.05 × 1,008.61
4. Step 4: Simplify right side
   3,781.91x = 5,721,895.83
5. Step 5: Solve for x
   x = 5,721,895.83/3,781.91
6. Step 6: Final answer
   x = 1,512.96