Finding the Fourth Proportional to 17,146.67, 25,723.20 and 7,787.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,146.67 : 25,723.20 = 7,787.34 : x
2. Step 2: Convert to fraction form
   17,146.67/25,723.20 = 7,787.34/x
3. Step 3: Cross multiply
   17,146.67x = 25,723.20 × 7,787.34
4. Step 4: Simplify right side
   17,146.67x = 200,315,304.29
5. Step 5: Solve for x
   x = 200,315,304.29/17,146.67
6. Step 6: Final answer
   x = 11,682.46