Finding the Fourth Proportional to 3,821.59, 5,706.24 and 3,423.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,821.59 : 5,706.24 = 3,423.70 : x
2. Step 2: Convert to fraction form
   3,821.59/5,706.24 = 3,423.70/x
3. Step 3: Cross multiply
   3,821.59x = 5,706.24 × 3,423.70
4. Step 4: Simplify right side
   3,821.59x = 19,536,453.89
5. Step 5: Solve for x
   x = 19,536,453.89/3,821.59
6. Step 6: Final answer
   x = 5,112.13