Finding the Fourth Proportional to 2,774.86, 4,163.73 and 1,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.86 : 4,163.73 = 1,235.50 : x
2. Step 2: Convert to fraction form
   2,774.86/4,163.73 = 1,235.50/x
3. Step 3: Cross multiply
   2,774.86x = 4,163.73 × 1,235.50
4. Step 4: Simplify right side
   2,774.86x = 5,144,288.42
5. Step 5: Solve for x
   x = 5,144,288.42/2,774.86
6. Step 6: Final answer
   x = 1,853.89