Finding the Fourth Proportional to 2,945.78, 4,035.73 and 2,835

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.78 : 4,035.73 = 2,835 : x
2. Step 2: Convert to fraction form
   2,945.78/4,035.73 = 2,835/x
3. Step 3: Cross multiply
   2,945.78x = 4,035.73 × 2,835
4. Step 4: Simplify right side
   2,945.78x = 11,441,294.55
5. Step 5: Solve for x
   x = 11,441,294.55/2,945.78
6. Step 6: Final answer
   x = 3,883.96