Finding the Fourth Proportional to 2,792.18, 4,187.01 and 942.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.18 : 4,187.01 = 942.81 : x
2. Step 2: Convert to fraction form
   2,792.18/4,187.01 = 942.81/x
3. Step 3: Cross multiply
   2,792.18x = 4,187.01 × 942.81
4. Step 4: Simplify right side
   2,792.18x = 3,947,554.90
5. Step 5: Solve for x
   x = 3,947,554.90/2,792.18
6. Step 6: Final answer
   x = 1,413.79