Finding the Fourth Proportional to 10,894.47, 16,327.34 and 4,317.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,894.47 : 16,327.34 = 4,317.06 : x
2. Step 2: Convert to fraction form
   10,894.47/16,327.34 = 4,317.06/x
3. Step 3: Cross multiply
   10,894.47x = 16,327.34 × 4,317.06
4. Step 4: Simplify right side
   10,894.47x = 70,486,162.25
5. Step 5: Solve for x
   x = 70,486,162.25/10,894.47
6. Step 6: Final answer
   x = 6,469.91