Finding the Fourth Proportional to 6,894.12, 9,513.42 and 3,910.26

Step by Step Solution

1. Step 1: Write the proportion equation
   6,894.12 : 9,513.42 = 3,910.26 : x
2. Step 2: Convert to fraction form
   6,894.12/9,513.42 = 3,910.26/x
3. Step 3: Cross multiply
   6,894.12x = 9,513.42 × 3,910.26
4. Step 4: Simplify right side
   6,894.12x = 37,199,945.69
5. Step 5: Solve for x
   x = 37,199,945.69/6,894.12
6. Step 6: Final answer
   x = 5,395.89