Finding the Fourth Proportional to 3,111.14, 4,293.38 and 1,784.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.14 : 4,293.38 = 1,784.60 : x
2. Step 2: Convert to fraction form
   3,111.14/4,293.38 = 1,784.60/x
3. Step 3: Cross multiply
   3,111.14x = 4,293.38 × 1,784.60
4. Step 4: Simplify right side
   3,111.14x = 7,661,935.56
5. Step 5: Solve for x
   x = 7,661,935.56/3,111.14
6. Step 6: Final answer
   x = 2,462.75