Finding the Fourth Proportional to 7,839.38, 10,817.01 and 5,185.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,839.38 : 10,817.01 = 5,185.37 : x
2. Step 2: Convert to fraction form
   7,839.38/10,817.01 = 5,185.37/x
3. Step 3: Cross multiply
   7,839.38x = 10,817.01 × 5,185.37
4. Step 4: Simplify right side
   7,839.38x = 56,090,145.06
5. Step 5: Solve for x
   x = 56,090,145.06/7,839.38
6. Step 6: Final answer
   x = 7,154.93