Finding the Fourth Proportional to 12,767.58, 19,137.12 and 5,369.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,767.58 : 19,137.12 = 5,369.82 : x
2. Step 2: Convert to fraction form
   12,767.58/19,137.12 = 5,369.82/x
3. Step 3: Cross multiply
   12,767.58x = 19,137.12 × 5,369.82
4. Step 4: Simplify right side
   12,767.58x = 102,762,889.72
5. Step 5: Solve for x
   x = 102,762,889.72/12,767.58
6. Step 6: Final answer
   x = 8,048.74