Finding the Fourth Proportional to 18,498.78, 25,528.37 and 10,541.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,498.78 : 25,528.37 = 10,541.34 : x
2. Step 2: Convert to fraction form
   18,498.78/25,528.37 = 10,541.34/x
3. Step 3: Cross multiply
   18,498.78x = 25,528.37 × 10,541.34
4. Step 4: Simplify right side
   18,498.78x = 269,103,175.11
5. Step 5: Solve for x
   x = 269,103,175.11/18,498.78
6. Step 6: Final answer
   x = 14,547.08