Finding the Fourth Proportional to 5,758.19, 8,636.78 and 3,506.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,758.19 : 8,636.78 = 3,506.13 : x
2. Step 2: Convert to fraction form
   5,758.19/8,636.78 = 3,506.13/x
3. Step 3: Cross multiply
   5,758.19x = 8,636.78 × 3,506.13
4. Step 4: Simplify right side
   5,758.19x = 30,281,673.46
5. Step 5: Solve for x
   x = 30,281,673.46/5,758.19
6. Step 6: Final answer
   x = 5,258.89