Finding the Fourth Proportional to 17,157.42, 25,734.06 and 7,787.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,157.42 : 25,734.06 = 7,787.49 : x
2. Step 2: Convert to fraction form
   17,157.42/25,734.06 = 7,787.49/x
3. Step 3: Cross multiply
   17,157.42x = 25,734.06 × 7,787.49
4. Step 4: Simplify right side
   17,157.42x = 200,403,734.91
5. Step 5: Solve for x
   x = 200,403,734.91/17,157.42
6. Step 6: Final answer
   x = 11,680.30