Finding the Fourth Proportional to 2,090.46, 3,136.56 and 979.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.46 : 3,136.56 = 979.07 : x
2. Step 2: Convert to fraction form
   2,090.46/3,136.56 = 979.07/x
3. Step 3: Cross multiply
   2,090.46x = 3,136.56 × 979.07
4. Step 4: Simplify right side
   2,090.46x = 3,070,911.80
5. Step 5: Solve for x
   x = 3,070,911.80/2,090.46
6. Step 6: Final answer
   x = 1,469.01