Finding the Fourth Proportional to 2,385.25, 3,291.83 and 1,323.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.25 : 3,291.83 = 1,323.11 : x
2. Step 2: Convert to fraction form
   2,385.25/3,291.83 = 1,323.11/x
3. Step 3: Cross multiply
   2,385.25x = 3,291.83 × 1,323.11
4. Step 4: Simplify right side
   2,385.25x = 4,355,459.77
5. Step 5: Solve for x
   x = 4,355,459.77/2,385.25
6. Step 6: Final answer
   x = 1,826.00