Finding the Fourth Proportional to 235,587.89, 353,377.28 and 67,109.31

Step by Step Solution

1. Step 1: Write the proportion equation
   235,587.89 : 353,377.28 = 67,109.31 : x
2. Step 2: Convert to fraction form
   235,587.89/353,377.28 = 67,109.31/x
3. Step 3: Cross multiply
   235,587.89x = 353,377.28 × 67,109.31
4. Step 4: Simplify right side
   235,587.89x = 23,714,905,598.25
5. Step 5: Solve for x
   x = 23,714,905,598.25/235,587.89
6. Step 6: Final answer
   x = 100,662.67