Finding the Fourth Proportional to 6,864.31, 9,469.25 and 4,342.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,864.31 : 9,469.25 = 4,342.17 : x
2. Step 2: Convert to fraction form
   6,864.31/9,469.25 = 4,342.17/x
3. Step 3: Cross multiply
   6,864.31x = 9,469.25 × 4,342.17
4. Step 4: Simplify right side
   6,864.31x = 41,117,093.27
5. Step 5: Solve for x
   x = 41,117,093.27/6,864.31
6. Step 6: Final answer
   x = 5,989.98