Finding the Fourth Proportional to 2,783.50, 4,175.72 and 934.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.50 : 4,175.72 = 934.79 : x
2. Step 2: Convert to fraction form
   2,783.50/4,175.72 = 934.79/x
3. Step 3: Cross multiply
   2,783.50x = 4,175.72 × 934.79
4. Step 4: Simplify right side
   2,783.50x = 3,903,413.20
5. Step 5: Solve for x
   x = 3,903,413.20/2,783.50
6. Step 6: Final answer
   x = 1,402.34