Finding the Fourth Proportional to 23,287.98, 32,137.56 and 12,677.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,287.98 : 32,137.56 = 12,677.61 : x
2. Step 2: Convert to fraction form
   23,287.98/32,137.56 = 12,677.61/x
3. Step 3: Cross multiply
   23,287.98x = 32,137.56 × 12,677.61
4. Step 4: Simplify right side
   23,287.98x = 407,427,452.03
5. Step 5: Solve for x
   x = 407,427,452.03/23,287.98
6. Step 6: Final answer
   x = 17,495.18