Finding the Fourth Proportional to 17,145.36, 25,714.89 and 7,783.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,145.36 : 25,714.89 = 7,783.14 : x
2. Step 2: Convert to fraction form
   17,145.36/25,714.89 = 7,783.14/x
3. Step 3: Cross multiply
   17,145.36x = 25,714.89 × 7,783.14
4. Step 4: Simplify right side
   17,145.36x = 200,142,588.95
5. Step 5: Solve for x
   x = 200,142,588.95/17,145.36
6. Step 6: Final answer
   x = 11,673.28