Finding the Fourth Proportional to 19,436.37, 26,825.43 and 10,942.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,436.37 : 26,825.43 = 10,942.31 : x
2. Step 2: Convert to fraction form
   19,436.37/26,825.43 = 10,942.31/x
3. Step 3: Cross multiply
   19,436.37x = 26,825.43 × 10,942.31
4. Step 4: Simplify right side
   19,436.37x = 293,532,036.82
5. Step 5: Solve for x
   x = 293,532,036.82/19,436.37
6. Step 6: Final answer
   x = 15,102.20