Finding the Fourth Proportional to 3,407.34, 5,111.34 and 942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407.34 : 5,111.34 = 942.18 : x
2. Step 2: Convert to fraction form
   3,407.34/5,111.34 = 942.18/x
3. Step 3: Cross multiply
   3,407.34x = 5,111.34 × 942.18
4. Step 4: Simplify right side
   3,407.34x = 4,815,802.32
5. Step 5: Solve for x
   x = 4,815,802.32/3,407.34
6. Step 6: Final answer
   x = 1,413.36