Finding the Fourth Proportional to 2,387.79, 3,295.46 and 1,393.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.79 : 3,295.46 = 1,393.38 : x
2. Step 2: Convert to fraction form
   2,387.79/3,295.46 = 1,393.38/x
3. Step 3: Cross multiply
   2,387.79x = 3,295.46 × 1,393.38
4. Step 4: Simplify right side
   2,387.79x = 4,591,828.05
5. Step 5: Solve for x
   x = 4,591,828.05/2,387.79
6. Step 6: Final answer
   x = 1,923.05