Finding the Fourth Proportional to 10,118.78, 15,168.93 and 3,541.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.78 : 15,168.93 = 3,541.38 : x
2. Step 2: Convert to fraction form
   10,118.78/15,168.93 = 3,541.38/x
3. Step 3: Cross multiply
   10,118.78x = 15,168.93 × 3,541.38
4. Step 4: Simplify right side
   10,118.78x = 53,718,945.32
5. Step 5: Solve for x
   x = 53,718,945.32/10,118.78
6. Step 6: Final answer
   x = 5,308.84