Finding the Fourth Proportional to 13,986.03, 19,300.77 and 7,698.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,986.03 : 19,300.77 = 7,698.42 : x
2. Step 2: Convert to fraction form
   13,986.03/19,300.77 = 7,698.42/x
3. Step 3: Cross multiply
   13,986.03x = 19,300.77 × 7,698.42
4. Step 4: Simplify right side
   13,986.03x = 148,585,433.78
5. Step 5: Solve for x
   x = 148,585,433.78/13,986.03
6. Step 6: Final answer
   x = 10,623.85