Finding the Fourth Proportional to 12,714.58, 19,043 and 10,945.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.58 : 19,043 = 10,945.54 : x
2. Step 2: Convert to fraction form
   12,714.58/19,043 = 10,945.54/x
3. Step 3: Cross multiply
   12,714.58x = 19,043 × 10,945.54
4. Step 4: Simplify right side
   12,714.58x = 208,435,918.22
5. Step 5: Solve for x
   x = 208,435,918.22/12,714.58
6. Step 6: Final answer
   x = 16,393.46