Finding the Fourth Proportional to 23,287.55, 32,136.89 and 13,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,287.55 : 32,136.89 = 13,855.50 : x
2. Step 2: Convert to fraction form
   23,287.55/32,136.89 = 13,855.50/x
3. Step 3: Cross multiply
   23,287.55x = 32,136.89 × 13,855.50
4. Step 4: Simplify right side
   23,287.55x = 445,272,610.12
5. Step 5: Solve for x
   x = 445,272,610.12/23,287.55
6. Step 6: Final answer
   x = 19,120.63