Finding the Fourth Proportional to 23,605.98, 32,575.05 and 12,993.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,605.98 : 32,575.05 = 12,993.57 : x
2. Step 2: Convert to fraction form
   23,605.98/32,575.05 = 12,993.57/x
3. Step 3: Cross multiply
   23,605.98x = 32,575.05 × 12,993.57
4. Step 4: Simplify right side
   23,605.98x = 423,266,192.43
5. Step 5: Solve for x
   x = 423,266,192.43/23,605.98
6. Step 6: Final answer
   x = 17,930.46