Finding the Fourth Proportional to 3,247.98, 4,872.38 and 1,056.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,247.98 : 4,872.38 = 1,056.12 : x
2. Step 2: Convert to fraction form
   3,247.98/4,872.38 = 1,056.12/x
3. Step 3: Cross multiply
   3,247.98x = 4,872.38 × 1,056.12
4. Step 4: Simplify right side
   3,247.98x = 5,145,812.69
5. Step 5: Solve for x
   x = 5,145,812.69/3,247.98
6. Step 6: Final answer
   x = 1,584.31