Finding the Fourth Proportional to 23,216.02, 32,039.55 and 13,145.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,216.02 : 32,039.55 = 13,145.49 : x
2. Step 2: Convert to fraction form
   23,216.02/32,039.55 = 13,145.49/x
3. Step 3: Cross multiply
   23,216.02x = 32,039.55 × 13,145.49
4. Step 4: Simplify right side
   23,216.02x = 421,175,584.13
5. Step 5: Solve for x
   x = 421,175,584.13/23,216.02
6. Step 6: Final answer
   x = 18,141.59