Finding the Fourth Proportional to 19,648.49, 27,117.72 and 11,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648.49 : 27,117.72 = 11,152.72 : x
2. Step 2: Convert to fraction form
   19,648.49/27,117.72 = 11,152.72/x
3. Step 3: Cross multiply
   19,648.49x = 27,117.72 × 11,152.72
4. Step 4: Simplify right side
   19,648.49x = 302,436,270.40
5. Step 5: Solve for x
   x = 302,436,270.40/19,648.49
6. Step 6: Final answer
   x = 15,392.34