Finding the Fourth Proportional to 2,287.94, 3,157.65 and 1,293.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.94 : 3,157.65 = 1,293.53 : x
2. Step 2: Convert to fraction form
   2,287.94/3,157.65 = 1,293.53/x
3. Step 3: Cross multiply
   2,287.94x = 3,157.65 × 1,293.53
4. Step 4: Simplify right side
   2,287.94x = 4,084,499.22
5. Step 5: Solve for x
   x = 4,084,499.22/2,287.94
6. Step 6: Final answer
   x = 1,785.23