Finding the Fourth Proportional to 10,113.81, 15,150.69 and 4,769.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,113.81 : 15,150.69 = 4,769.67 : x
2. Step 2: Convert to fraction form
   10,113.81/15,150.69 = 4,769.67/x
3. Step 3: Cross multiply
   10,113.81x = 15,150.69 × 4,769.67
4. Step 4: Simplify right side
   10,113.81x = 72,263,791.57
5. Step 5: Solve for x
   x = 72,263,791.57/10,113.81
6. Step 6: Final answer
   x = 7,145.06