Finding the Fourth Proportional to 4,211.53, 5,811.82 and 2,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,211.53 : 5,811.82 = 2,443.30 : x
2. Step 2: Convert to fraction form
   4,211.53/5,811.82 = 2,443.30/x
3. Step 3: Cross multiply
   4,211.53x = 5,811.82 × 2,443.30
4. Step 4: Simplify right side
   4,211.53x = 14,200,019.81
5. Step 5: Solve for x
   x = 14,200,019.81/4,211.53
6. Step 6: Final answer
   x = 3,371.70