Finding the Fourth Proportional to 120,407.01, 166,159.83 and 65,958.76

Step by Step Solution

1. Step 1: Write the proportion equation
   120,407.01 : 166,159.83 = 65,958.76 : x
2. Step 2: Convert to fraction form
   120,407.01/166,159.83 = 65,958.76/x
3. Step 3: Cross multiply
   120,407.01x = 166,159.83 × 65,958.76
4. Step 4: Simplify right side
   120,407.01x = 10,959,696,348.61
5. Step 5: Solve for x
   x = 10,959,696,348.61/120,407.01
6. Step 6: Final answer
   x = 91,022.08