Finding the Fourth Proportional to 10,629.30, 14,668.50 and 5,913.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,629.30 : 14,668.50 = 5,913.88 : x
2. Step 2: Convert to fraction form
   10,629.30/14,668.50 = 5,913.88/x
3. Step 3: Cross multiply
   10,629.30x = 14,668.50 × 5,913.88
4. Step 4: Simplify right side
   10,629.30x = 86,747,748.78
5. Step 5: Solve for x
   x = 86,747,748.78/10,629.30
6. Step 6: Final answer
   x = 8,161.19