Finding the Fourth Proportional to 13,734.52, 18,958.83 and 8,436.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,734.52 : 18,958.83 = 8,436.52 : x
2. Step 2: Convert to fraction form
   13,734.52/18,958.83 = 8,436.52/x
3. Step 3: Cross multiply
   13,734.52x = 18,958.83 × 8,436.52
4. Step 4: Simplify right side
   13,734.52x = 159,946,548.47
5. Step 5: Solve for x
   x = 159,946,548.47/13,734.52
6. Step 6: Final answer
   x = 11,645.59