Finding the Fourth Proportional to 2,090.66, 3,136.54 and 1,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.66 : 3,136.54 = 1,116.50 : x
2. Step 2: Convert to fraction form
   2,090.66/3,136.54 = 1,116.50/x
3. Step 3: Cross multiply
   2,090.66x = 3,136.54 × 1,116.50
4. Step 4: Simplify right side
   2,090.66x = 3,501,946.91
5. Step 5: Solve for x
   x = 3,501,946.91/2,090.66
6. Step 6: Final answer
   x = 1,675.04