Finding the Fourth Proportional to 2,085.37, 2,876.20 and 1,455.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.37 : 2,876.20 = 1,455.69 : x
2. Step 2: Convert to fraction form
   2,085.37/2,876.20 = 1,455.69/x
3. Step 3: Cross multiply
   2,085.37x = 2,876.20 × 1,455.69
4. Step 4: Simplify right side
   2,085.37x = 4,186,855.58
5. Step 5: Solve for x
   x = 4,186,855.58/2,085.37
6. Step 6: Final answer
   x = 2,007.73