Finding the Fourth Proportional to 3,243.30, 4,865.72 and 1,052.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243.30 : 4,865.72 = 1,052.03 : x
2. Step 2: Convert to fraction form
   3,243.30/4,865.72 = 1,052.03/x
3. Step 3: Cross multiply
   3,243.30x = 4,865.72 × 1,052.03
4. Step 4: Simplify right side
   3,243.30x = 5,118,883.41
5. Step 5: Solve for x
   x = 5,118,883.41/3,243.30
6. Step 6: Final answer
   x = 1,578.29