Finding the Fourth Proportional to 23,538.98, 32,485.79 and 12,930.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,538.98 : 32,485.79 = 12,930.82 : x
2. Step 2: Convert to fraction form
   23,538.98/32,485.79 = 12,930.82/x
3. Step 3: Cross multiply
   23,538.98x = 32,485.79 × 12,930.82
4. Step 4: Simplify right side
   23,538.98x = 420,067,675.96
5. Step 5: Solve for x
   x = 420,067,675.96/23,538.98
6. Step 6: Final answer
   x = 17,845.62