Finding the Fourth Proportional to 14,042.34, 21,064.89 and 3,654.09

Step by Step Solution

1. Step 1: Write the proportion equation
   14,042.34 : 21,064.89 = 3,654.09 : x
2. Step 2: Convert to fraction form
   14,042.34/21,064.89 = 3,654.09/x
3. Step 3: Cross multiply
   14,042.34x = 21,064.89 × 3,654.09
4. Step 4: Simplify right side
   14,042.34x = 76,973,003.90
5. Step 5: Solve for x
   x = 76,973,003.90/14,042.34
6. Step 6: Final answer
   x = 5,481.49