Finding the Fourth Proportional to 6,843.12, 9,443.48 and 3,699.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,843.12 : 9,443.48 = 3,699.30 : x
2. Step 2: Convert to fraction form
   6,843.12/9,443.48 = 3,699.30/x
3. Step 3: Cross multiply
   6,843.12x = 9,443.48 × 3,699.30
4. Step 4: Simplify right side
   6,843.12x = 34,934,247.07
5. Step 5: Solve for x
   x = 34,934,247.07/6,843.12
6. Step 6: Final answer
   x = 5,105.02