Finding the Fourth Proportional to 23,776.82, 32,811.27 and 13,021.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,776.82 : 32,811.27 = 13,021.22 : x
2. Step 2: Convert to fraction form
   23,776.82/32,811.27 = 13,021.22/x
3. Step 3: Cross multiply
   23,776.82x = 32,811.27 × 13,021.22
4. Step 4: Simplify right side
   23,776.82x = 427,242,765.15
5. Step 5: Solve for x
   x = 427,242,765.15/23,776.82
6. Step 6: Final answer
   x = 17,968.88