Finding the Fourth Proportional to 2,784.46, 3,839.78 and 1,874.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.46 : 3,839.78 = 1,874.16 : x
2. Step 2: Convert to fraction form
   2,784.46/3,839.78 = 1,874.16/x
3. Step 3: Cross multiply
   2,784.46x = 3,839.78 × 1,874.16
4. Step 4: Simplify right side
   2,784.46x = 7,196,362.08
5. Step 5: Solve for x
   x = 7,196,362.08/2,784.46
6. Step 6: Final answer
   x = 2,584.47