Finding the Fourth Proportional to 2,228.78, 3,075.29 and 1,234.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.78 : 3,075.29 = 1,234.01 : x
2. Step 2: Convert to fraction form
   2,228.78/3,075.29 = 1,234.01/x
3. Step 3: Cross multiply
   2,228.78x = 3,075.29 × 1,234.01
4. Step 4: Simplify right side
   2,228.78x = 3,794,917.07
5. Step 5: Solve for x
   x = 3,794,917.07/2,228.78
6. Step 6: Final answer
   x = 1,702.69