Finding the Fourth Proportional to 5,707.97, 7,867.59 and 3,818.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707.97 : 7,867.59 = 3,818.88 : x
2. Step 2: Convert to fraction form
   5,707.97/7,867.59 = 3,818.88/x
3. Step 3: Cross multiply
   5,707.97x = 7,867.59 × 3,818.88
4. Step 4: Simplify right side
   5,707.97x = 30,045,382.10
5. Step 5: Solve for x
   x = 30,045,382.10/5,707.97
6. Step 6: Final answer
   x = 5,263.76