Finding the Fourth Proportional to 3,238.89, 4,856.66 and 1,047.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.89 : 4,856.66 = 1,047.34 : x
2. Step 2: Convert to fraction form
   3,238.89/4,856.66 = 1,047.34/x
3. Step 3: Cross multiply
   3,238.89x = 4,856.66 × 1,047.34
4. Step 4: Simplify right side
   3,238.89x = 5,086,574.28
5. Step 5: Solve for x
   x = 5,086,574.28/3,238.89
6. Step 6: Final answer
   x = 1,570.47