Finding the Fourth Proportional to 5,715.24, 8,587.25 and 3,636.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715.24 : 8,587.25 = 3,636.18 : x
2. Step 2: Convert to fraction form
   5,715.24/8,587.25 = 3,636.18/x
3. Step 3: Cross multiply
   5,715.24x = 8,587.25 × 3,636.18
4. Step 4: Simplify right side
   5,715.24x = 31,224,768.52
5. Step 5: Solve for x
   x = 31,224,768.52/5,715.24
6. Step 6: Final answer
   x = 5,463.42