Finding the Fourth Proportional to 2,090.31, 3,136.32 and 703.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.31 : 3,136.32 = 703.82 : x
2. Step 2: Convert to fraction form
   2,090.31/3,136.32 = 703.82/x
3. Step 3: Cross multiply
   2,090.31x = 3,136.32 × 703.82
4. Step 4: Simplify right side
   2,090.31x = 2,207,389.06
5. Step 5: Solve for x
   x = 2,207,389.06/2,090.31
6. Step 6: Final answer
   x = 1,056.01