Finding the Fourth Proportional to 23,493.60, 32,424.72 and 13,424.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,493.60 : 32,424.72 = 13,424.16 : x
2. Step 2: Convert to fraction form
   23,493.60/32,424.72 = 13,424.16/x
3. Step 3: Cross multiply
   23,493.60x = 32,424.72 × 13,424.16
4. Step 4: Simplify right side
   23,493.60x = 435,274,629.24
5. Step 5: Solve for x
   x = 435,274,629.24/23,493.60
6. Step 6: Final answer
   x = 18,527.37