Finding the Fourth Proportional to 3,880.39, 5,796.23 and 3,814.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880.39 : 5,796.23 = 3,814.78 : x
2. Step 2: Convert to fraction form
   3,880.39/5,796.23 = 3,814.78/x
3. Step 3: Cross multiply
   3,880.39x = 5,796.23 × 3,814.78
4. Step 4: Simplify right side
   3,880.39x = 22,111,342.28
5. Step 5: Solve for x
   x = 22,111,342.28/3,880.39
6. Step 6: Final answer
   x = 5,698.23