Finding the Fourth Proportional to 2,123.91, 3,184.83 and 1,083.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.91 : 3,184.83 = 1,083.87 : x
2. Step 2: Convert to fraction form
   2,123.91/3,184.83 = 1,083.87/x
3. Step 3: Cross multiply
   2,123.91x = 3,184.83 × 1,083.87
4. Step 4: Simplify right side
   2,123.91x = 3,451,941.69
5. Step 5: Solve for x
   x = 3,451,941.69/2,123.91
6. Step 6: Final answer
   x = 1,625.28