Finding the Fourth Proportional to 23,657.56, 32,646.33 and 13,578.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,657.56 : 32,646.33 = 13,578.91 : x
2. Step 2: Convert to fraction form
   23,657.56/32,646.33 = 13,578.91/x
3. Step 3: Cross multiply
   23,657.56x = 32,646.33 × 13,578.91
4. Step 4: Simplify right side
   23,657.56x = 443,301,495.28
5. Step 5: Solve for x
   x = 443,301,495.28/23,657.56
6. Step 6: Final answer
   x = 18,738.26