Finding the Fourth Proportional to 23,648.17, 32,636.15 and 13,578.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,648.17 : 32,636.15 = 13,578.25 : x
2. Step 2: Convert to fraction form
   23,648.17/32,636.15 = 13,578.25/x
3. Step 3: Cross multiply
   23,648.17x = 32,636.15 × 13,578.25
4. Step 4: Simplify right side
   23,648.17x = 443,141,803.74
5. Step 5: Solve for x
   x = 443,141,803.74/23,648.17
6. Step 6: Final answer
   x = 18,738.95