Finding the Fourth Proportional to 160,996.98, 241,181.31 and 105,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,996.98 : 241,181.31 = 105,424.50 : x
2. Step 2: Convert to fraction form
   160,996.98/241,181.31 = 105,424.50/x
3. Step 3: Cross multiply
   160,996.98x = 241,181.31 × 105,424.50
4. Step 4: Simplify right side
   160,996.98x = 25,426,419,016.10
5. Step 5: Solve for x
   x = 25,426,419,016.10/160,996.98
6. Step 6: Final answer
   x = 157,931.03