Finding the Fourth Proportional to 23,714.84, 35,560.38 and 13,857.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,714.84 : 35,560.38 = 13,857.68 : x
2. Step 2: Convert to fraction form
   23,714.84/35,560.38 = 13,857.68/x
3. Step 3: Cross multiply
   23,714.84x = 35,560.38 × 13,857.68
4. Step 4: Simplify right side
   23,714.84x = 492,784,366.72
5. Step 5: Solve for x
   x = 492,784,366.72/23,714.84
6. Step 6: Final answer
   x = 20,779.58