Finding the Fourth Proportional to 10,865.79, 16,298.55 and 3,074.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.79 : 16,298.55 = 3,074.67 : x
2. Step 2: Convert to fraction form
   10,865.79/16,298.55 = 3,074.67/x
3. Step 3: Cross multiply
   10,865.79x = 16,298.55 × 3,074.67
4. Step 4: Simplify right side
   10,865.79x = 50,112,662.73
5. Step 5: Solve for x
   x = 50,112,662.73/10,865.79
6. Step 6: Final answer
   x = 4,611.97