Finding the Fourth Proportional to 103,231.98, 154,743.41 and 69,955.43

Step by Step Solution

1. Step 1: Write the proportion equation
   103,231.98 : 154,743.41 = 69,955.43 : x
2. Step 2: Convert to fraction form
   103,231.98/154,743.41 = 69,955.43/x
3. Step 3: Cross multiply
   103,231.98x = 154,743.41 × 69,955.43
4. Step 4: Simplify right side
   103,231.98x = 10,825,141,187.39
5. Step 5: Solve for x
   x = 10,825,141,187.39/103,231.98
6. Step 6: Final answer
   x = 104,862.28