Finding the Fourth Proportional to 2,229.06, 3,075.80 and 1,234.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.06 : 3,075.80 = 1,234.09 : x
2. Step 2: Convert to fraction form
   2,229.06/3,075.80 = 1,234.09/x
3. Step 3: Cross multiply
   2,229.06x = 3,075.80 × 1,234.09
4. Step 4: Simplify right side
   2,229.06x = 3,795,814.02
5. Step 5: Solve for x
   x = 3,795,814.02/2,229.06
6. Step 6: Final answer
   x = 1,702.88