Finding the Fourth Proportional to 275,978.46, 414,128.33 and 116,042.82

Step by Step Solution

1. Step 1: Write the proportion equation
   275,978.46 : 414,128.33 = 116,042.82 : x
2. Step 2: Convert to fraction form
   275,978.46/414,128.33 = 116,042.82/x
3. Step 3: Cross multiply
   275,978.46x = 414,128.33 × 116,042.82
4. Step 4: Simplify right side
   275,978.46x = 48,056,618,674.88
5. Step 5: Solve for x
   x = 48,056,618,674.88/275,978.46
6. Step 6: Final answer
   x = 174,131.77