Finding the Fourth Proportional to 19,579.87, 27,020.42 and 10,627.45

Step by Step Solution

1. Step 1: Write the proportion equation
   19,579.87 : 27,020.42 = 10,627.45 : x
2. Step 2: Convert to fraction form
   19,579.87/27,020.42 = 10,627.45/x
3. Step 3: Cross multiply
   19,579.87x = 27,020.42 × 10,627.45
4. Step 4: Simplify right side
   19,579.87x = 287,158,162.53
5. Step 5: Solve for x
   x = 287,158,162.53/19,579.87
6. Step 6: Final answer
   x = 14,665.99