Finding the Fourth Proportional to 12,680.83, 19,022.98 and 5,283.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680.83 : 19,022.98 = 5,283.56 : x
2. Step 2: Convert to fraction form
   12,680.83/19,022.98 = 5,283.56/x
3. Step 3: Cross multiply
   12,680.83x = 19,022.98 × 5,283.56
4. Step 4: Simplify right side
   12,680.83x = 100,509,029.79
5. Step 5: Solve for x
   x = 100,509,029.79/12,680.83
6. Step 6: Final answer
   x = 7,926.06