Finding the Fourth Proportional to 1,395.46, 2,093.34 and 1,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.46 : 2,093.34 = 1,315.27 : x
2. Step 2: Convert to fraction form
   1,395.46/2,093.34 = 1,315.27/x
3. Step 3: Cross multiply
   1,395.46x = 2,093.34 × 1,315.27
4. Step 4: Simplify right side
   1,395.46x = 2,753,314.85
5. Step 5: Solve for x
   x = 2,753,314.85/1,395.46
6. Step 6: Final answer
   x = 1,973.05