Finding the Fourth Proportional to 2,228.86, 3,075.68 and 1,234.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.86 : 3,075.68 = 1,234.07 : x
2. Step 2: Convert to fraction form
   2,228.86/3,075.68 = 1,234.07/x
3. Step 3: Cross multiply
   2,228.86x = 3,075.68 × 1,234.07
4. Step 4: Simplify right side
   2,228.86x = 3,795,604.42
5. Step 5: Solve for x
   x = 3,795,604.42/2,228.86
6. Step 6: Final answer
   x = 1,702.94