Finding the Fourth Proportional to 2,890.69, 4,336.49 and 942.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.69 : 4,336.49 = 942.45 : x
2. Step 2: Convert to fraction form
   2,890.69/4,336.49 = 942.45/x
3. Step 3: Cross multiply
   2,890.69x = 4,336.49 × 942.45
4. Step 4: Simplify right side
   2,890.69x = 4,086,925.00
5. Step 5: Solve for x
   x = 4,086,925.00/2,890.69
6. Step 6: Final answer
   x = 1,413.82