Finding the Fourth Proportional to 3,925.69, 5,880.57 and 1,814.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.69 : 5,880.57 = 1,814.31 : x
2. Step 2: Convert to fraction form
   3,925.69/5,880.57 = 1,814.31/x
3. Step 3: Cross multiply
   3,925.69x = 5,880.57 × 1,814.31
4. Step 4: Simplify right side
   3,925.69x = 10,669,176.96
5. Step 5: Solve for x
   x = 10,669,176.96/3,925.69
6. Step 6: Final answer
   x = 2,717.79