Finding the Fourth Proportional to 3,423.72, 4,724.72 and 1,851.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423.72 : 4,724.72 = 1,851.81 : x
2. Step 2: Convert to fraction form
   3,423.72/4,724.72 = 1,851.81/x
3. Step 3: Cross multiply
   3,423.72x = 4,724.72 × 1,851.81
4. Step 4: Simplify right side
   3,423.72x = 8,749,290.29
5. Step 5: Solve for x
   x = 8,749,290.29/3,423.72
6. Step 6: Final answer
   x = 2,555.49