Finding the Fourth Proportional to 2,971.76, 4,456.94 and 1,123.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.76 : 4,456.94 = 1,123.06 : x
2. Step 2: Convert to fraction form
   2,971.76/4,456.94 = 1,123.06/x
3. Step 3: Cross multiply
   2,971.76x = 4,456.94 × 1,123.06
4. Step 4: Simplify right side
   2,971.76x = 5,005,411.04
5. Step 5: Solve for x
   x = 5,005,411.04/2,971.76
6. Step 6: Final answer
   x = 1,684.33