Finding the Fourth Proportional to 23,636.46, 32,619 and 13,026.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,636.46 : 32,619 = 13,026.78 : x
2. Step 2: Convert to fraction form
   23,636.46/32,619 = 13,026.78/x
3. Step 3: Cross multiply
   23,636.46x = 32,619 × 13,026.78
4. Step 4: Simplify right side
   23,636.46x = 424,920,536.82
5. Step 5: Solve for x
   x = 424,920,536.82/23,636.46
6. Step 6: Final answer
   x = 17,977.33