Finding the Fourth Proportional to 2,456.55, 3,681.95 and 1,155.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.55 : 3,681.95 = 1,155.33 : x
2. Step 2: Convert to fraction form
   2,456.55/3,681.95 = 1,155.33/x
3. Step 3: Cross multiply
   2,456.55x = 3,681.95 × 1,155.33
4. Step 4: Simplify right side
   2,456.55x = 4,253,861.52
5. Step 5: Solve for x
   x = 4,253,861.52/2,456.55
6. Step 6: Final answer
   x = 1,731.64