Finding the Fourth Proportional to 253,033.47, 379,556.89 and 110,805.57

Step by Step Solution

1. Step 1: Write the proportion equation
   253,033.47 : 379,556.89 = 110,805.57 : x
2. Step 2: Convert to fraction form
   253,033.47/379,556.89 = 110,805.57/x
3. Step 3: Cross multiply
   253,033.47x = 379,556.89 × 110,805.57
4. Step 4: Simplify right side
   253,033.47x = 42,057,017,266.86
5. Step 5: Solve for x
   x = 42,057,017,266.86/253,033.47
6. Step 6: Final answer
   x = 166,211.28