Finding the Fourth Proportional to 23,355.56, 32,230.56 and 13,419.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,355.56 : 32,230.56 = 13,419.56 : x
2. Step 2: Convert to fraction form
   23,355.56/32,230.56 = 13,419.56/x
3. Step 3: Cross multiply
   23,355.56x = 32,230.56 × 13,419.56
4. Step 4: Simplify right side
   23,355.56x = 432,519,933.75
5. Step 5: Solve for x
   x = 432,519,933.75/23,355.56
6. Step 6: Final answer
   x = 18,518.93