Finding the Fourth Proportional to 23,196.79, 32,011.56 and 12,586.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,196.79 : 32,011.56 = 12,586.42 : x
2. Step 2: Convert to fraction form
   23,196.79/32,011.56 = 12,586.42/x
3. Step 3: Cross multiply
   23,196.79x = 32,011.56 × 12,586.42
4. Step 4: Simplify right side
   23,196.79x = 402,910,858.99
5. Step 5: Solve for x
   x = 402,910,858.99/23,196.79
6. Step 6: Final answer
   x = 17,369.25