Finding the Fourth Proportional to 2,002.78, 3,003.54 and 832.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.78 : 3,003.54 = 832.42 : x
2. Step 2: Convert to fraction form
   2,002.78/3,003.54 = 832.42/x
3. Step 3: Cross multiply
   2,002.78x = 3,003.54 × 832.42
4. Step 4: Simplify right side
   2,002.78x = 2,500,206.77
5. Step 5: Solve for x
   x = 2,500,206.77/2,002.78
6. Step 6: Final answer
   x = 1,248.37