Finding the Fourth Proportional to 2,846.54, 4,270.91 and 997.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.54 : 4,270.91 = 997.86 : x
2. Step 2: Convert to fraction form
   2,846.54/4,270.91 = 997.86/x
3. Step 3: Cross multiply
   2,846.54x = 4,270.91 × 997.86
4. Step 4: Simplify right side
   2,846.54x = 4,261,770.25
5. Step 5: Solve for x
   x = 4,261,770.25/2,846.54
6. Step 6: Final answer
   x = 1,497.18