Finding the Fourth Proportional to 3,071.82, 4,606.65 and 1,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.82 : 4,606.65 = 1,123.50 : x
2. Step 2: Convert to fraction form
   3,071.82/4,606.65 = 1,123.50/x
3. Step 3: Cross multiply
   3,071.82x = 4,606.65 × 1,123.50
4. Step 4: Simplify right side
   3,071.82x = 5,175,571.28
5. Step 5: Solve for x
   x = 5,175,571.28/3,071.82
6. Step 6: Final answer
   x = 1,684.85