Finding the Fourth Proportional to 2,090.55, 3,136.62 and 1,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.55 : 3,136.62 = 1,116.12 : x
2. Step 2: Convert to fraction form
   2,090.55/3,136.62 = 1,116.12/x
3. Step 3: Cross multiply
   2,090.55x = 3,136.62 × 1,116.12
4. Step 4: Simplify right side
   2,090.55x = 3,500,844.31
5. Step 5: Solve for x
   x = 3,500,844.31/2,090.55
6. Step 6: Final answer
   x = 1,674.60