Finding the Fourth Proportional to 2,090.42, 3,136.11 and 703.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.42 : 3,136.11 = 703.72 : x
2. Step 2: Convert to fraction form
   2,090.42/3,136.11 = 703.72/x
3. Step 3: Cross multiply
   2,090.42x = 3,136.11 × 703.72
4. Step 4: Simplify right side
   2,090.42x = 2,206,949.89
5. Step 5: Solve for x
   x = 2,206,949.89/2,090.42
6. Step 6: Final answer
   x = 1,055.74