Finding the Fourth Proportional to 14,083.48, 21,173.82 and 13,714.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,083.48 : 21,173.82 = 13,714.12 : x
2. Step 2: Convert to fraction form
   14,083.48/21,173.82 = 13,714.12/x
3. Step 3: Cross multiply
   14,083.48x = 21,173.82 × 13,714.12
4. Step 4: Simplify right side
   14,083.48x = 290,380,308.34
5. Step 5: Solve for x
   x = 290,380,308.34/14,083.48
6. Step 6: Final answer
   x = 20,618.51