Finding the Fourth Proportional to 2,384.43, 3,570.87 and 1,211.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.43 : 3,570.87 = 1,211.35 : x
2. Step 2: Convert to fraction form
   2,384.43/3,570.87 = 1,211.35/x
3. Step 3: Cross multiply
   2,384.43x = 3,570.87 × 1,211.35
4. Step 4: Simplify right side
   2,384.43x = 4,325,564.45
5. Step 5: Solve for x
   x = 4,325,564.45/2,384.43
6. Step 6: Final answer
   x = 1,814.09