Finding the Fourth Proportional to 10,659.45, 14,729.58 and 10,147.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,659.45 : 14,729.58 = 10,147.32 : x
2. Step 2: Convert to fraction form
   10,659.45/14,729.58 = 10,147.32/x
3. Step 3: Cross multiply
   10,659.45x = 14,729.58 × 10,147.32
4. Step 4: Simplify right side
   10,659.45x = 149,465,761.73
5. Step 5: Solve for x
   x = 149,465,761.73/10,659.45
6. Step 6: Final answer
   x = 14,021.90