Finding the Fourth Proportional to 353,944, 488,442.72 and 194,968

Step by Step Solution

1. Step 1: Write the proportion equation
   353,944 : 488,442.72 = 194,968 : x
2. Step 2: Convert to fraction form
   353,944/488,442.72 = 194,968/x
3. Step 3: Cross multiply
   353,944x = 488,442.72 × 194,968
4. Step 4: Simplify right side
   353,944x = 95,230,700,232.96
5. Step 5: Solve for x
   x = 95,230,700,232.96/353,944
6. Step 6: Final answer
   x = 269,055.84