Finding the Fourth Proportional to 6,843.19, 9,443.61 and 3,699.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,843.19 : 9,443.61 = 3,699.38 : x
2. Step 2: Convert to fraction form
   6,843.19/9,443.61 = 3,699.38/x
3. Step 3: Cross multiply
   6,843.19x = 9,443.61 × 3,699.38
4. Step 4: Simplify right side
   6,843.19x = 34,935,501.96
5. Step 5: Solve for x
   x = 34,935,501.96/6,843.19
6. Step 6: Final answer
   x = 5,105.15