Finding the Fourth Proportional to 2,287.24, 3,156.57 and 1,403.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.24 : 3,156.57 = 1,403.33 : x
2. Step 2: Convert to fraction form
   2,287.24/3,156.57 = 1,403.33/x
3. Step 3: Cross multiply
   2,287.24x = 3,156.57 × 1,403.33
4. Step 4: Simplify right side
   2,287.24x = 4,429,693.60
5. Step 5: Solve for x
   x = 4,429,693.60/2,287.24
6. Step 6: Final answer
   x = 1,936.70