Finding the Fourth Proportional to 2,086.90, 3,131.04 and 700.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.90 : 3,131.04 = 700.37 : x
2. Step 2: Convert to fraction form
   2,086.90/3,131.04 = 700.37/x
3. Step 3: Cross multiply
   2,086.90x = 3,131.04 × 700.37
4. Step 4: Simplify right side
   2,086.90x = 2,192,886.48
5. Step 5: Solve for x
   x = 2,192,886.48/2,086.90
6. Step 6: Final answer
   x = 1,050.79