Finding the Fourth Proportional to 111,974.91, 154,525.37 and 61,673.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111,974.91 : 154,525.37 = 61,673.91 : x
2. Step 2: Convert to fraction form
   111,974.91/154,525.37 = 61,673.91/x
3. Step 3: Cross multiply
   111,974.91x = 154,525.37 × 61,673.91
4. Step 4: Simplify right side
   111,974.91x = 9,530,183,221.17
5. Step 5: Solve for x
   x = 9,530,183,221.17/111,974.91
6. Step 6: Final answer
   x = 85,109.99