Finding the Fourth Proportional to 8,986.58, 12,401.86 and 5,007.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,986.58 : 12,401.86 = 5,007.69 : x
2. Step 2: Convert to fraction form
   8,986.58/12,401.86 = 5,007.69/x
3. Step 3: Cross multiply
   8,986.58x = 12,401.86 × 5,007.69
4. Step 4: Simplify right side
   8,986.58x = 62,104,670.30
5. Step 5: Solve for x
   x = 62,104,670.30/8,986.58
6. Step 6: Final answer
   x = 6,910.82