Finding the Fourth Proportional to 23,588.92, 32,552.47 and 12,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,588.92 : 32,552.47 = 12,978.56 : x
2. Step 2: Convert to fraction form
   23,588.92/32,552.47 = 12,978.56/x
3. Step 3: Cross multiply
   23,588.92x = 32,552.47 × 12,978.56
4. Step 4: Simplify right side
   23,588.92x = 422,484,185.04
5. Step 5: Solve for x
   x = 422,484,185.04/23,588.92
6. Step 6: Final answer
   x = 17,910.28