Finding the Fourth Proportional to 120,332.59, 166,086.86 and 80,048.05

Step by Step Solution

1. Step 1: Write the proportion equation
   120,332.59 : 166,086.86 = 80,048.05 : x
2. Step 2: Convert to fraction form
   120,332.59/166,086.86 = 80,048.05/x
3. Step 3: Cross multiply
   120,332.59x = 166,086.86 × 80,048.05
4. Step 4: Simplify right side
   120,332.59x = 13,294,928,458.17
5. Step 5: Solve for x
   x = 13,294,928,458.17/120,332.59
6. Step 6: Final answer
   x = 110,484.85