Finding the Fourth Proportional to 14,662.35, 20,245.69 and 13,542.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,662.35 : 20,245.69 = 13,542.89 : x
2. Step 2: Convert to fraction form
   14,662.35/20,245.69 = 13,542.89/x
3. Step 3: Cross multiply
   14,662.35x = 20,245.69 × 13,542.89
4. Step 4: Simplify right side
   14,662.35x = 274,185,068.34
5. Step 5: Solve for x
   x = 274,185,068.34/14,662.35
6. Step 6: Final answer
   x = 18,699.94