Finding the Fourth Proportional to 53,067.89, 79,604.69 and 13,625.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,067.89 : 79,604.69 = 13,625.34 : x
2. Step 2: Convert to fraction form
   53,067.89/79,604.69 = 13,625.34/x
3. Step 3: Cross multiply
   53,067.89x = 79,604.69 × 13,625.34
4. Step 4: Simplify right side
   53,067.89x = 1,084,640,898.72
5. Step 5: Solve for x
   x = 1,084,640,898.72/53,067.89
6. Step 6: Final answer
   x = 20,438.74