Finding the Fourth Proportional to 10,866.79, 16,300.05 and 3,075.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.79 : 16,300.05 = 3,075.67 : x
2. Step 2: Convert to fraction form
   10,866.79/16,300.05 = 3,075.67/x
3. Step 3: Cross multiply
   10,866.79x = 16,300.05 × 3,075.67
4. Step 4: Simplify right side
   10,866.79x = 50,133,574.78
5. Step 5: Solve for x
   x = 50,133,574.78/10,866.79
6. Step 6: Final answer
   x = 4,613.47