Finding the Fourth Proportional to 2,894.37, 4,342.20 and 946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.37 : 4,342.20 = 946.56 : x
2. Step 2: Convert to fraction form
   2,894.37/4,342.20 = 946.56/x
3. Step 3: Cross multiply
   2,894.37x = 4,342.20 × 946.56
4. Step 4: Simplify right side
   2,894.37x = 4,110,152.83
5. Step 5: Solve for x
   x = 4,110,152.83/2,894.37
6. Step 6: Final answer
   x = 1,420.05