Finding the Fourth Proportional to 23,978.67, 35,968.49 and 8,187.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.67 : 35,968.49 = 8,187.32 : x
2. Step 2: Convert to fraction form
   23,978.67/35,968.49 = 8,187.32/x
3. Step 3: Cross multiply
   23,978.67x = 35,968.49 × 8,187.32
4. Step 4: Simplify right side
   23,978.67x = 294,485,316.77
5. Step 5: Solve for x
   x = 294,485,316.77/23,978.67
6. Step 6: Final answer
   x = 12,281.14