Finding the Fourth Proportional to 3,781.22, 5,672.27 and 1,007.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781.22 : 5,672.27 = 1,007.98 : x
2. Step 2: Convert to fraction form
   3,781.22/5,672.27 = 1,007.98/x
3. Step 3: Cross multiply
   3,781.22x = 5,672.27 × 1,007.98
4. Step 4: Simplify right side
   3,781.22x = 5,717,523.05
5. Step 5: Solve for x
   x = 5,717,523.05/3,781.22
6. Step 6: Final answer
   x = 1,512.09