Finding the Fourth Proportional to 3,238.42, 4,857.73 and 1,047.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.42 : 4,857.73 = 1,047.16 : x
2. Step 2: Convert to fraction form
   3,238.42/4,857.73 = 1,047.16/x
3. Step 3: Cross multiply
   3,238.42x = 4,857.73 × 1,047.16
4. Step 4: Simplify right side
   3,238.42x = 5,086,820.55
5. Step 5: Solve for x
   x = 5,086,820.55/3,238.42
6. Step 6: Final answer
   x = 1,570.77