Finding the Fourth Proportional to 6,853.89, 9,458.31 and 3,710.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,853.89 : 9,458.31 = 3,710.05 : x
2. Step 2: Convert to fraction form
   6,853.89/9,458.31 = 3,710.05/x
3. Step 3: Cross multiply
   6,853.89x = 9,458.31 × 3,710.05
4. Step 4: Simplify right side
   6,853.89x = 35,090,803.02
5. Step 5: Solve for x
   x = 35,090,803.02/6,853.89
6. Step 6: Final answer
   x = 5,119.84