Finding the Fourth Proportional to 3,248.49, 4,871.61 and 1,056.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,248.49 : 4,871.61 = 1,056.69 : x
2. Step 2: Convert to fraction form
   3,248.49/4,871.61 = 1,056.69/x
3. Step 3: Cross multiply
   3,248.49x = 4,871.61 × 1,056.69
4. Step 4: Simplify right side
   3,248.49x = 5,147,781.57
5. Step 5: Solve for x
   x = 5,147,781.57/3,248.49
6. Step 6: Final answer
   x = 1,584.67