Finding the Fourth Proportional to 2,090.79, 3,136.23 and 1,658.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.79 : 3,136.23 = 1,658.25 : x
2. Step 2: Convert to fraction form
   2,090.79/3,136.23 = 1,658.25/x
3. Step 3: Cross multiply
   2,090.79x = 3,136.23 × 1,658.25
4. Step 4: Simplify right side
   2,090.79x = 5,200,653.40
5. Step 5: Solve for x
   x = 5,200,653.40/2,090.79
6. Step 6: Final answer
   x = 2,487.41