Finding the Fourth Proportional to 2,585.16, 3,877.05 and 1,123.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.16 : 3,877.05 = 1,123.98 : x
2. Step 2: Convert to fraction form
   2,585.16/3,877.05 = 1,123.98/x
3. Step 3: Cross multiply
   2,585.16x = 3,877.05 × 1,123.98
4. Step 4: Simplify right side
   2,585.16x = 4,357,726.66
5. Step 5: Solve for x
   x = 4,357,726.66/2,585.16
6. Step 6: Final answer
   x = 1,685.67