Finding the Fourth Proportional to 2,084.30, 3,123.66 and 1,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.30 : 3,123.66 = 1,028.50 : x
2. Step 2: Convert to fraction form
   2,084.30/3,123.66 = 1,028.50/x
3. Step 3: Cross multiply
   2,084.30x = 3,123.66 × 1,028.50
4. Step 4: Simplify right side
   2,084.30x = 3,212,676.50
5. Step 5: Solve for x
   x = 3,212,676.50/2,084.30
6. Step 6: Final answer
   x = 1,541.37