Finding the Fourth Proportional to 23,596.04, 32,562.69 and 12,985.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,596.04 : 32,562.69 = 12,985.40 : x
2. Step 2: Convert to fraction form
   23,596.04/32,562.69 = 12,985.40/x
3. Step 3: Cross multiply
   23,596.04x = 32,562.69 × 12,985.40
4. Step 4: Simplify right side
   23,596.04x = 422,839,554.73
5. Step 5: Solve for x
   x = 422,839,554.73/23,596.04
6. Step 6: Final answer
   x = 17,919.94