Finding the Fourth Proportional to 265,196.78, 365,971.56 and 144,338.94

Step by Step Solution

1. Step 1: Write the proportion equation
   265,196.78 : 365,971.56 = 144,338.94 : x
2. Step 2: Convert to fraction form
   265,196.78/365,971.56 = 144,338.94/x
3. Step 3: Cross multiply
   265,196.78x = 365,971.56 × 144,338.94
4. Step 4: Simplify right side
   265,196.78x = 52,823,947,040.55
5. Step 5: Solve for x
   x = 52,823,947,040.55/265,196.78
6. Step 6: Final answer
   x = 199,187.74