Finding the Fourth Proportional to 23,167.94, 31,971.78 and 12,557.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,167.94 : 31,971.78 = 12,557.59 : x
2. Step 2: Convert to fraction form
   23,167.94/31,971.78 = 12,557.59/x
3. Step 3: Cross multiply
   23,167.94x = 31,971.78 × 12,557.59
4. Step 4: Simplify right side
   23,167.94x = 401,488,344.95
5. Step 5: Solve for x
   x = 401,488,344.95/23,167.94
6. Step 6: Final answer
   x = 17,329.48