Finding the Fourth Proportional to 2,383.86, 3,282.93 and 2,145.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.86 : 3,282.93 = 2,145.78 : x
2. Step 2: Convert to fraction form
   2,383.86/3,282.93 = 2,145.78/x
3. Step 3: Cross multiply
   2,383.86x = 3,282.93 × 2,145.78
4. Step 4: Simplify right side
   2,383.86x = 7,044,445.54
5. Step 5: Solve for x
   x = 7,044,445.54/2,383.86
6. Step 6: Final answer
   x = 2,955.06