Finding the Fourth Proportional to 22,467.88, 31,004.55 and 13,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.88 : 31,004.55 = 13,513.69 : x
2. Step 2: Convert to fraction form
   22,467.88/31,004.55 = 13,513.69/x
3. Step 3: Cross multiply
   22,467.88x = 31,004.55 × 13,513.69
4. Step 4: Simplify right side
   22,467.88x = 418,985,877.29
5. Step 5: Solve for x
   x = 418,985,877.29/22,467.88
6. Step 6: Final answer
   x = 18,648.22