Finding the Fourth Proportional to 2,384.27, 3,575.99 and 1,085.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.27 : 3,575.99 = 1,085.43 : x
2. Step 2: Convert to fraction form
   2,384.27/3,575.99 = 1,085.43/x
3. Step 3: Cross multiply
   2,384.27x = 3,575.99 × 1,085.43
4. Step 4: Simplify right side
   2,384.27x = 3,881,481.40
5. Step 5: Solve for x
   x = 3,881,481.40/2,384.27
6. Step 6: Final answer
   x = 1,627.96