Finding the Fourth Proportional to 10,158.50, 14,021.73 and 5,911.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.50 : 14,021.73 = 5,911.48 : x
2. Step 2: Convert to fraction form
   10,158.50/14,021.73 = 5,911.48/x
3. Step 3: Cross multiply
   10,158.50x = 14,021.73 × 5,911.48
4. Step 4: Simplify right side
   10,158.50x = 82,889,176.46
5. Step 5: Solve for x
   x = 82,889,176.46/10,158.50
6. Step 6: Final answer
   x = 8,159.59