Finding the Fourth Proportional to 18,314.10, 25,273.94 and 10,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,314.10 : 25,273.94 = 10,357.50 : x
2. Step 2: Convert to fraction form
   18,314.10/25,273.94 = 10,357.50/x
3. Step 3: Cross multiply
   18,314.10x = 25,273.94 × 10,357.50
4. Step 4: Simplify right side
   18,314.10x = 261,774,833.55
5. Step 5: Solve for x
   x = 261,774,833.55/18,314.10
6. Step 6: Final answer
   x = 14,293.62