Finding the Fourth Proportional to 120,622.91, 166,456.40 and 69,633.91

Step by Step Solution

1. Step 1: Write the proportion equation
   120,622.91 : 166,456.40 = 69,633.91 : x
2. Step 2: Convert to fraction form
   120,622.91/166,456.40 = 69,633.91/x
3. Step 3: Cross multiply
   120,622.91x = 166,456.40 × 69,633.91
4. Step 4: Simplify right side
   120,622.91x = 11,591,010,696.27
5. Step 5: Solve for x
   x = 11,591,010,696.27/120,622.91
6. Step 6: Final answer
   x = 96,092.95