Finding the Fourth Proportional to 2,584.51, 3,876.06 and 1,123.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.51 : 3,876.06 = 1,123.31 : x
2. Step 2: Convert to fraction form
   2,584.51/3,876.06 = 1,123.31/x
3. Step 3: Cross multiply
   2,584.51x = 3,876.06 × 1,123.31
4. Step 4: Simplify right side
   2,584.51x = 4,354,030.86
5. Step 5: Solve for x
   x = 4,354,030.86/2,584.51
6. Step 6: Final answer
   x = 1,684.67