Finding the Fourth Proportional to 8,859.42, 13,284.81 and 5,059.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,859.42 : 13,284.81 = 5,059.62 : x
2. Step 2: Convert to fraction form
   8,859.42/13,284.81 = 5,059.62/x
3. Step 3: Cross multiply
   8,859.42x = 13,284.81 × 5,059.62
4. Step 4: Simplify right side
   8,859.42x = 67,216,090.37
5. Step 5: Solve for x
   x = 67,216,090.37/8,859.42
6. Step 6: Final answer
   x = 7,586.96