Finding the Fourth Proportional to 2,047.34, 3,072.36 and 1,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.34 : 3,072.36 = 1,123.56 : x
2. Step 2: Convert to fraction form
   2,047.34/3,072.36 = 1,123.56/x
3. Step 3: Cross multiply
   2,047.34x = 3,072.36 × 1,123.56
4. Step 4: Simplify right side
   2,047.34x = 3,451,980.80
5. Step 5: Solve for x
   x = 3,451,980.80/2,047.34
6. Step 6: Final answer
   x = 1,686.08