Finding the Fourth Proportional to 21,714.78, 32,592.24 and 13,411.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,714.78 : 32,592.24 = 13,411.05 : x
2. Step 2: Convert to fraction form
   21,714.78/32,592.24 = 13,411.05/x
3. Step 3: Cross multiply
   21,714.78x = 32,592.24 × 13,411.05
4. Step 4: Simplify right side
   21,714.78x = 437,096,160.25
5. Step 5: Solve for x
   x = 437,096,160.25/21,714.78
6. Step 6: Final answer
   x = 20,128.97