Finding the Fourth Proportional to 8,910.52, 12,297.86 and 5,375.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.52 : 12,297.86 = 5,375.68 : x
2. Step 2: Convert to fraction form
   8,910.52/12,297.86 = 5,375.68/x
3. Step 3: Cross multiply
   8,910.52x = 12,297.86 × 5,375.68
4. Step 4: Simplify right side
   8,910.52x = 66,109,360.04
5. Step 5: Solve for x
   x = 66,109,360.04/8,910.52
6. Step 6: Final answer
   x = 7,419.25