Finding the Fourth Proportional to 23,595.98, 32,562.38 and 12,985.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,595.98 : 32,562.38 = 12,985.60 : x
2. Step 2: Convert to fraction form
   23,595.98/32,562.38 = 12,985.60/x
3. Step 3: Cross multiply
   23,595.98x = 32,562.38 × 12,985.60
4. Step 4: Simplify right side
   23,595.98x = 422,842,090.67
5. Step 5: Solve for x
   x = 422,842,090.67/23,595.98
6. Step 6: Final answer
   x = 17,920.09