Finding the Fourth Proportional to 10,357.92, 15,436.94 and 10,341.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.92 : 15,436.94 = 10,341.45 : x
2. Step 2: Convert to fraction form
   10,357.92/15,436.94 = 10,341.45/x
3. Step 3: Cross multiply
   10,357.92x = 15,436.94 × 10,341.45
4. Step 4: Simplify right side
   10,357.92x = 159,640,291.46
5. Step 5: Solve for x
   x = 159,640,291.46/10,357.92
6. Step 6: Final answer
   x = 15,412.39