Finding the Fourth Proportional to 10,301.50, 14,208.81 and 9,958.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,301.50 : 14,208.81 = 9,958.58 : x
2. Step 2: Convert to fraction form
   10,301.50/14,208.81 = 9,958.58/x
3. Step 3: Cross multiply
   10,301.50x = 14,208.81 × 9,958.58
4. Step 4: Simplify right side
   10,301.50x = 141,499,500.05
5. Step 5: Solve for x
   x = 141,499,500.05/10,301.50
6. Step 6: Final answer
   x = 13,735.82