Finding the Fourth Proportional to 120,796.58, 166,856.15 and 91,940.94

Step by Step Solution

1. Step 1: Write the proportion equation
   120,796.58 : 166,856.15 = 91,940.94 : x
2. Step 2: Convert to fraction form
   120,796.58/166,856.15 = 91,940.94/x
3. Step 3: Cross multiply
   120,796.58x = 166,856.15 × 91,940.94
4. Step 4: Simplify right side
   120,796.58x = 15,340,911,275.78
5. Step 5: Solve for x
   x = 15,340,911,275.78/120,796.58
6. Step 6: Final answer
   x = 126,997.89