Finding the Fourth Proportional to 23,361.50, 32,238.88 and 14,978

Step by Step Solution

1. Step 1: Write the proportion equation
   23,361.50 : 32,238.88 = 14,978 : x
2. Step 2: Convert to fraction form
   23,361.50/32,238.88 = 14,978/x
3. Step 3: Cross multiply
   23,361.50x = 32,238.88 × 14,978
4. Step 4: Simplify right side
   23,361.50x = 482,873,944.64
5. Step 5: Solve for x
   x = 482,873,944.64/23,361.50
6. Step 6: Final answer
   x = 20,669.65