Finding the Fourth Proportional to 2,894.67, 4,342.71 and 946.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.67 : 4,342.71 = 946.89 : x
2. Step 2: Convert to fraction form
   2,894.67/4,342.71 = 946.89/x
3. Step 3: Cross multiply
   2,894.67x = 4,342.71 × 946.89
4. Step 4: Simplify right side
   2,894.67x = 4,112,068.67
5. Step 5: Solve for x
   x = 4,112,068.67/2,894.67
6. Step 6: Final answer
   x = 1,420.57