Finding the Fourth Proportional to 8,597.70, 12,887.42 and 5,467.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,597.70 : 12,887.42 = 5,467.86 : x
2. Step 2: Convert to fraction form
   8,597.70/12,887.42 = 5,467.86/x
3. Step 3: Cross multiply
   8,597.70x = 12,887.42 × 5,467.86
4. Step 4: Simplify right side
   8,597.70x = 70,466,608.32
5. Step 5: Solve for x
   x = 70,466,608.32/8,597.70
6. Step 6: Final answer
   x = 8,195.98