Finding the Fourth Proportional to 2,384.91, 3,575.97 and 1,085.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.91 : 3,575.97 = 1,085.67 : x
2. Step 2: Convert to fraction form
   2,384.91/3,575.97 = 1,085.67/x
3. Step 3: Cross multiply
   2,384.91x = 3,575.97 × 1,085.67
4. Step 4: Simplify right side
   2,384.91x = 3,882,323.35
5. Step 5: Solve for x
   x = 3,882,323.35/2,384.91
6. Step 6: Final answer
   x = 1,627.87