Finding the Fourth Proportional to 12,764.69, 19,127.27 and 6,515.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.69 : 19,127.27 = 6,515.94 : x
2. Step 2: Convert to fraction form
   12,764.69/19,127.27 = 6,515.94/x
3. Step 3: Cross multiply
   12,764.69x = 19,127.27 × 6,515.94
4. Step 4: Simplify right side
   12,764.69x = 124,632,111.10
5. Step 5: Solve for x
   x = 124,632,111.10/12,764.69
6. Step 6: Final answer
   x = 9,763.82