Finding the Fourth Proportional to 315,751.96, 435,714.96 and 172,481.59

Step by Step Solution

1. Step 1: Write the proportion equation
   315,751.96 : 435,714.96 = 172,481.59 : x
2. Step 2: Convert to fraction form
   315,751.96/435,714.96 = 172,481.59/x
3. Step 3: Cross multiply
   315,751.96x = 435,714.96 × 172,481.59
4. Step 4: Simplify right side
   315,751.96x = 75,152,809,087.59
5. Step 5: Solve for x
   x = 75,152,809,087.59/315,751.96
6. Step 6: Final answer
   x = 238,012.17