Finding the Fourth Proportional to 2,388.02, 3,295.89 and 1,393.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.02 : 3,295.89 = 1,393.47 : x
2. Step 2: Convert to fraction form
   2,388.02/3,295.89 = 1,393.47/x
3. Step 3: Cross multiply
   2,388.02x = 3,295.89 × 1,393.47
4. Step 4: Simplify right side
   2,388.02x = 4,592,723.84
5. Step 5: Solve for x
   x = 4,592,723.84/2,388.02
6. Step 6: Final answer
   x = 1,923.24