Finding the Fourth Proportional to 2,055.30, 3,084.12 and 1,235.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.30 : 3,084.12 = 1,235.58 : x
2. Step 2: Convert to fraction form
   2,055.30/3,084.12 = 1,235.58/x
3. Step 3: Cross multiply
   2,055.30x = 3,084.12 × 1,235.58
4. Step 4: Simplify right side
   2,055.30x = 3,810,676.99
5. Step 5: Solve for x
   x = 3,810,676.99/2,055.30
6. Step 6: Final answer
   x = 1,854.07