Finding the Fourth Proportional to 2,451.72, 3,681.22 and 2,407.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.72 : 3,681.22 = 2,407.98 : x
2. Step 2: Convert to fraction form
   2,451.72/3,681.22 = 2,407.98/x
3. Step 3: Cross multiply
   2,451.72x = 3,681.22 × 2,407.98
4. Step 4: Simplify right side
   2,451.72x = 8,864,304.14
5. Step 5: Solve for x
   x = 8,864,304.14/2,451.72
6. Step 6: Final answer
   x = 3,615.55