Finding the Fourth Proportional to 9,679.99, 14,521.88 and 3,105.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679.99 : 14,521.88 = 3,105.67 : x
2. Step 2: Convert to fraction form
   9,679.99/14,521.88 = 3,105.67/x
3. Step 3: Cross multiply
   9,679.99x = 14,521.88 × 3,105.67
4. Step 4: Simplify right side
   9,679.99x = 45,100,151.53
5. Step 5: Solve for x
   x = 45,100,151.53/9,679.99
6. Step 6: Final answer
   x = 4,659.11