Finding the Fourth Proportional to 6,913.88, 10,364.34 and 3,447.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,913.88 : 10,364.34 = 3,447.32 : x
2. Step 2: Convert to fraction form
   6,913.88/10,364.34 = 3,447.32/x
3. Step 3: Cross multiply
   6,913.88x = 10,364.34 × 3,447.32
4. Step 4: Simplify right side
   6,913.88x = 35,729,196.57
5. Step 5: Solve for x
   x = 35,729,196.57/6,913.88
6. Step 6: Final answer
   x = 5,167.75