Finding the Fourth Proportional to 3,111.10, 4,293.22 and 1,784.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.10 : 4,293.22 = 1,784.77 : x
2. Step 2: Convert to fraction form
   3,111.10/4,293.22 = 1,784.77/x
3. Step 3: Cross multiply
   3,111.10x = 4,293.22 × 1,784.77
4. Step 4: Simplify right side
   3,111.10x = 7,662,410.26
5. Step 5: Solve for x
   x = 7,662,410.26/3,111.10
6. Step 6: Final answer
   x = 2,462.93