Finding the Fourth Proportional to 10,105.88, 15,159.42 and 3,180.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.88 : 15,159.42 = 3,180.38 : x
2. Step 2: Convert to fraction form
   10,105.88/15,159.42 = 3,180.38/x
3. Step 3: Cross multiply
   10,105.88x = 15,159.42 × 3,180.38
4. Step 4: Simplify right side
   10,105.88x = 48,212,640.38
5. Step 5: Solve for x
   x = 48,212,640.38/10,105.88
6. Step 6: Final answer
   x = 4,770.75