Finding the Fourth Proportional to 2,086.44, 3,131.58 and 933.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.44 : 3,131.58 = 933.16 : x
2. Step 2: Convert to fraction form
   2,086.44/3,131.58 = 933.16/x
3. Step 3: Cross multiply
   2,086.44x = 3,131.58 × 933.16
4. Step 4: Simplify right side
   2,086.44x = 2,922,265.19
5. Step 5: Solve for x
   x = 2,922,265.19/2,086.44
6. Step 6: Final answer
   x = 1,400.60