Finding the Fourth Proportional to 23,327.12, 32,190.72 and 13,256.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,327.12 : 32,190.72 = 13,256.48 : x
2. Step 2: Convert to fraction form
   23,327.12/32,190.72 = 13,256.48/x
3. Step 3: Cross multiply
   23,327.12x = 32,190.72 × 13,256.48
4. Step 4: Simplify right side
   23,327.12x = 426,735,474.91
5. Step 5: Solve for x
   x = 426,735,474.91/23,327.12
6. Step 6: Final answer
   x = 18,293.54