Finding the Fourth Proportional to 12,714.27, 17,544.60 and 7,409.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.27 : 17,544.60 = 7,409.58 : x
2. Step 2: Convert to fraction form
   12,714.27/17,544.60 = 7,409.58/x
3. Step 3: Cross multiply
   12,714.27x = 17,544.60 × 7,409.58
4. Step 4: Simplify right side
   12,714.27x = 129,998,051.48
5. Step 5: Solve for x
   x = 129,998,051.48/12,714.27
6. Step 6: Final answer
   x = 10,224.58