Finding the Fourth Proportional to 19,377.20, 29,048.78 and 7,682.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,377.20 : 29,048.78 = 7,682.42 : x
2. Step 2: Convert to fraction form
   19,377.20/29,048.78 = 7,682.42/x
3. Step 3: Cross multiply
   19,377.20x = 29,048.78 × 7,682.42
4. Step 4: Simplify right side
   19,377.20x = 223,164,928.45
5. Step 5: Solve for x
   x = 223,164,928.45/19,377.20
6. Step 6: Final answer
   x = 11,516.88