Finding the Fourth Proportional to 8,895.42, 12,271.83 and 5,356.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,895.42 : 12,271.83 = 5,356.59 : x
2. Step 2: Convert to fraction form
   8,895.42/12,271.83 = 5,356.59/x
3. Step 3: Cross multiply
   8,895.42x = 12,271.83 × 5,356.59
4. Step 4: Simplify right side
   8,895.42x = 65,735,161.86
5. Step 5: Solve for x
   x = 65,735,161.86/8,895.42
6. Step 6: Final answer
   x = 7,389.78