Finding the Fourth Proportional to 120,142.74, 179,951.61 and 60,876.66

Step by Step Solution

1. Step 1: Write the proportion equation
   120,142.74 : 179,951.61 = 60,876.66 : x
2. Step 2: Convert to fraction form
   120,142.74/179,951.61 = 60,876.66/x
3. Step 3: Cross multiply
   120,142.74x = 179,951.61 × 60,876.66
4. Step 4: Simplify right side
   120,142.74x = 10,954,852,978.42
5. Step 5: Solve for x
   x = 10,954,852,978.42/120,142.74
6. Step 6: Final answer
   x = 91,181.98