Finding the Fourth Proportional to 40,167.67, 55,418.71 and 23,169.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,167.67 : 55,418.71 = 23,169.63 : x
2. Step 2: Convert to fraction form
   40,167.67/55,418.71 = 23,169.63/x
3. Step 3: Cross multiply
   40,167.67x = 55,418.71 × 23,169.63
4. Step 4: Simplify right side
   40,167.67x = 1,284,031,005.78
5. Step 5: Solve for x
   x = 1,284,031,005.78/40,167.67
6. Step 6: Final answer
   x = 31,966.78