Finding the Fourth Proportional to 2,443.48, 3,372.05 and 1,395.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.48 : 3,372.05 = 1,395.55 : x
2. Step 2: Convert to fraction form
   2,443.48/3,372.05 = 1,395.55/x
3. Step 3: Cross multiply
   2,443.48x = 3,372.05 × 1,395.55
4. Step 4: Simplify right side
   2,443.48x = 4,705,864.38
5. Step 5: Solve for x
   x = 4,705,864.38/2,443.48
6. Step 6: Final answer
   x = 1,925.89