Finding the Fourth Proportional to 7,141.16, 10,704.18 and 3,248.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.16 : 10,704.18 = 3,248.30 : x
2. Step 2: Convert to fraction form
   7,141.16/10,704.18 = 3,248.30/x
3. Step 3: Cross multiply
   7,141.16x = 10,704.18 × 3,248.30
4. Step 4: Simplify right side
   7,141.16x = 34,770,387.89
5. Step 5: Solve for x
   x = 34,770,387.89/7,141.16
6. Step 6: Final answer
   x = 4,869.01