Finding the Fourth Proportional to 23,643.42, 32,629.59 and 13,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,643.42 : 32,629.59 = 13,573.50 : x
2. Step 2: Convert to fraction form
   23,643.42/32,629.59 = 13,573.50/x
3. Step 3: Cross multiply
   23,643.42x = 32,629.59 × 13,573.50
4. Step 4: Simplify right side
   23,643.42x = 442,897,739.87
5. Step 5: Solve for x
   x = 442,897,739.87/23,643.42
6. Step 6: Final answer
   x = 18,732.39