Finding the Fourth Proportional to 1,452.48, 2,181.33 and 1,393.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.48 : 2,181.33 = 1,393.76 : x
2. Step 2: Convert to fraction form
   1,452.48/2,181.33 = 1,393.76/x
3. Step 3: Cross multiply
   1,452.48x = 2,181.33 × 1,393.76
4. Step 4: Simplify right side
   1,452.48x = 3,040,239.59
5. Step 5: Solve for x
   x = 3,040,239.59/1,452.48
6. Step 6: Final answer
   x = 2,093.14