Finding the Fourth Proportional to 2,792.34, 4,186.86 and 942.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.34 : 4,186.86 = 942.94 : x
2. Step 2: Convert to fraction form
   2,792.34/4,186.86 = 942.94/x
3. Step 3: Cross multiply
   2,792.34x = 4,186.86 × 942.94
4. Step 4: Simplify right side
   2,792.34x = 3,947,959.47
5. Step 5: Solve for x
   x = 3,947,959.47/2,792.34
6. Step 6: Final answer
   x = 1,413.85