Finding the Fourth Proportional to 23,870.55, 32,943.98 and 13,662.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.55 : 32,943.98 = 13,662.53 : x
2. Step 2: Convert to fraction form
   23,870.55/32,943.98 = 13,662.53/x
3. Step 3: Cross multiply
   23,870.55x = 32,943.98 × 13,662.53
4. Step 4: Simplify right side
   23,870.55x = 450,097,882.04
5. Step 5: Solve for x
   x = 450,097,882.04/23,870.55
6. Step 6: Final answer
   x = 18,855.78