Finding the Fourth Proportional to 2,842.72, 3,920.25 and 1,846.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.72 : 3,920.25 = 1,846.86 : x
2. Step 2: Convert to fraction form
   2,842.72/3,920.25 = 1,846.86/x
3. Step 3: Cross multiply
   2,842.72x = 3,920.25 × 1,846.86
4. Step 4: Simplify right side
   2,842.72x = 7,240,152.92
5. Step 5: Solve for x
   x = 7,240,152.92/2,842.72
6. Step 6: Final answer
   x = 2,546.91