Finding the Fourth Proportional to 2,228.34, 3,072.84 and 1,343.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.34 : 3,072.84 = 1,343.98 : x
2. Step 2: Convert to fraction form
   2,228.34/3,072.84 = 1,343.98/x
3. Step 3: Cross multiply
   2,228.34x = 3,072.84 × 1,343.98
4. Step 4: Simplify right side
   2,228.34x = 4,129,835.50
5. Step 5: Solve for x
   x = 4,129,835.50/2,228.34
6. Step 6: Final answer
   x = 1,853.32