Finding the Fourth Proportional to 2,097.02, 3,146.70 and 986.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.02 : 3,146.70 = 986.24 : x
2. Step 2: Convert to fraction form
   2,097.02/3,146.70 = 986.24/x
3. Step 3: Cross multiply
   2,097.02x = 3,146.70 × 986.24
4. Step 4: Simplify right side
   2,097.02x = 3,103,401.41
5. Step 5: Solve for x
   x = 3,103,401.41/2,097.02
6. Step 6: Final answer
   x = 1,479.91