Finding the Fourth Proportional to 3,859.16, 5,758.41 and 3,624.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859.16 : 5,758.41 = 3,624.06 : x
2. Step 2: Convert to fraction form
   3,859.16/5,758.41 = 3,624.06/x
3. Step 3: Cross multiply
   3,859.16x = 5,758.41 × 3,624.06
4. Step 4: Simplify right side
   3,859.16x = 20,868,823.34
5. Step 5: Solve for x
   x = 20,868,823.34/3,859.16
6. Step 6: Final answer
   x = 5,407.61