Finding the Fourth Proportional to 10,589.40, 14,583.78 and 10,359.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,589.40 : 14,583.78 = 10,359.81 : x
2. Step 2: Convert to fraction form
   10,589.40/14,583.78 = 10,359.81/x
3. Step 3: Cross multiply
   10,589.40x = 14,583.78 × 10,359.81
4. Step 4: Simplify right side
   10,589.40x = 151,085,189.88
5. Step 5: Solve for x
   x = 151,085,189.88/10,589.40
6. Step 6: Final answer
   x = 14,267.59