Finding the Fourth Proportional to 23,018.40, 31,770.72 and 14,633.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,018.40 : 31,770.72 = 14,633.28 : x
2. Step 2: Convert to fraction form
   23,018.40/31,770.72 = 14,633.28/x
3. Step 3: Cross multiply
   23,018.40x = 31,770.72 × 14,633.28
4. Step 4: Simplify right side
   23,018.40x = 464,909,841.56
5. Step 5: Solve for x
   x = 464,909,841.56/23,018.40
6. Step 6: Final answer
   x = 20,197.31