Finding the Fourth Proportional to 23,667.48, 35,511.75 and 12,571.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,667.48 : 35,511.75 = 12,571.47 : x
2. Step 2: Convert to fraction form
   23,667.48/35,511.75 = 12,571.47/x
3. Step 3: Cross multiply
   23,667.48x = 35,511.75 × 12,571.47
4. Step 4: Simplify right side
   23,667.48x = 446,434,899.77
5. Step 5: Solve for x
   x = 446,434,899.77/23,667.48
6. Step 6: Final answer
   x = 18,862.80