Finding the Fourth Proportional to 4,242.72, 5,860.56 and 3,536.87

Step by Step Solution

1. Step 1: Write the proportion equation
   4,242.72 : 5,860.56 = 3,536.87 : x
2. Step 2: Convert to fraction form
   4,242.72/5,860.56 = 3,536.87/x
3. Step 3: Cross multiply
   4,242.72x = 5,860.56 × 3,536.87
4. Step 4: Simplify right side
   4,242.72x = 20,728,038.85
5. Step 5: Solve for x
   x = 20,728,038.85/4,242.72
6. Step 6: Final answer
   x = 4,885.55