Finding the Fourth Proportional to 18,165.31, 25,067.52 and 10,098.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,165.31 : 25,067.52 = 10,098.94 : x
2. Step 2: Convert to fraction form
   18,165.31/25,067.52 = 10,098.94/x
3. Step 3: Cross multiply
   18,165.31x = 25,067.52 × 10,098.94
4. Step 4: Simplify right side
   18,165.31x = 253,155,380.43
5. Step 5: Solve for x
   x = 253,155,380.43/18,165.31
6. Step 6: Final answer
   x = 13,936.20