Finding the Fourth Proportional to 3,451.41, 5,176.25 and 986.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451.41 : 5,176.25 = 986.24 : x
2. Step 2: Convert to fraction form
   3,451.41/5,176.25 = 986.24/x
3. Step 3: Cross multiply
   3,451.41x = 5,176.25 × 986.24
4. Step 4: Simplify right side
   3,451.41x = 5,105,032.81
5. Step 5: Solve for x
   x = 5,105,032.81/3,451.41
6. Step 6: Final answer
   x = 1,479.12