Finding the Fourth Proportional to 23,650.23, 32,638.71 and 13,578.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,650.23 : 32,638.71 = 13,578.69 : x
2. Step 2: Convert to fraction form
   23,650.23/32,638.71 = 13,578.69/x
3. Step 3: Cross multiply
   23,650.23x = 32,638.71 × 13,578.69
4. Step 4: Simplify right side
   23,650.23x = 443,190,925.09
5. Step 5: Solve for x
   x = 443,190,925.09/23,650.23
6. Step 6: Final answer
   x = 18,739.39