Finding the Fourth Proportional to 2,111.50, 3,168.34 and 941.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.50 : 3,168.34 = 941.86 : x
2. Step 2: Convert to fraction form
   2,111.50/3,168.34 = 941.86/x
3. Step 3: Cross multiply
   2,111.50x = 3,168.34 × 941.86
4. Step 4: Simplify right side
   2,111.50x = 2,984,132.71
5. Step 5: Solve for x
   x = 2,984,132.71/2,111.50
6. Step 6: Final answer
   x = 1,413.28