Finding the Fourth Proportional to 23,588.20, 32,552.22 and 12,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,588.20 : 32,552.22 = 12,978.82 : x
2. Step 2: Convert to fraction form
   23,588.20/32,552.22 = 12,978.82/x
3. Step 3: Cross multiply
   23,588.20x = 32,552.22 × 12,978.82
4. Step 4: Simplify right side
   23,588.20x = 422,489,403.98
5. Step 5: Solve for x
   x = 422,489,403.98/23,588.20
6. Step 6: Final answer
   x = 17,911.05