Finding the Fourth Proportional to 5,758.19, 7,943.37 and 3,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,758.19 : 7,943.37 = 3,870.18 : x
2. Step 2: Convert to fraction form
   5,758.19/7,943.37 = 3,870.18/x
3. Step 3: Cross multiply
   5,758.19x = 7,943.37 × 3,870.18
4. Step 4: Simplify right side
   5,758.19x = 30,742,257.19
5. Step 5: Solve for x
   x = 30,742,257.19/5,758.19
6. Step 6: Final answer
   x = 5,338.88