Finding the Fourth Proportional to 1,452.86, 1,992.60 and 1,393.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.86 : 1,992.60 = 1,393.34 : x
2. Step 2: Convert to fraction form
   1,452.86/1,992.60 = 1,393.34/x
3. Step 3: Cross multiply
   1,452.86x = 1,992.60 × 1,393.34
4. Step 4: Simplify right side
   1,452.86x = 2,776,369.28
5. Step 5: Solve for x
   x = 2,776,369.28/1,452.86
6. Step 6: Final answer
   x = 1,910.97