Finding the Fourth Proportional to 2,085.53, 3,129.81 and 1,469.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.53 : 3,129.81 = 1,469.84 : x
2. Step 2: Convert to fraction form
   2,085.53/3,129.81 = 1,469.84/x
3. Step 3: Cross multiply
   2,085.53x = 3,129.81 × 1,469.84
4. Step 4: Simplify right side
   2,085.53x = 4,600,304.28
5. Step 5: Solve for x
   x = 4,600,304.28/2,085.53
6. Step 6: Final answer
   x = 2,205.83