Finding the Fourth Proportional to 2,778.28, 3,834.18 and 1,846.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,778.28 : 3,834.18 = 1,846.12 : x
2. Step 2: Convert to fraction form
   2,778.28/3,834.18 = 1,846.12/x
3. Step 3: Cross multiply
   2,778.28x = 3,834.18 × 1,846.12
4. Step 4: Simplify right side
   2,778.28x = 7,078,356.38
5. Step 5: Solve for x
   x = 7,078,356.38/2,778.28
6. Step 6: Final answer
   x = 2,547.75