Finding the Fourth Proportional to 18,038.49, 27,061.59 and 10,648.46

Step by Step Solution

1. Step 1: Write the proportion equation
   18,038.49 : 27,061.59 = 10,648.46 : x
2. Step 2: Convert to fraction form
   18,038.49/27,061.59 = 10,648.46/x
3. Step 3: Cross multiply
   18,038.49x = 27,061.59 × 10,648.46
4. Step 4: Simplify right side
   18,038.49x = 288,164,123.34
5. Step 5: Solve for x
   x = 288,164,123.34/18,038.49
6. Step 6: Final answer
   x = 15,974.96