Finding the Fourth Proportional to 23,598, 32,564.85 and 12,987.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,598 : 32,564.85 = 12,987.42 : x
2. Step 2: Convert to fraction form
   23,598/32,564.85 = 12,987.42/x
3. Step 3: Cross multiply
   23,598x = 32,564.85 × 12,987.42
4. Step 4: Simplify right side
   23,598x = 422,933,384.19
5. Step 5: Solve for x
   x = 422,933,384.19/23,598
6. Step 6: Final answer
   x = 17,922.42