Finding the Fourth Proportional to 105,488.24, 158,183.16 and 61,127.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,488.24 : 158,183.16 = 61,127.72 : x
2. Step 2: Convert to fraction form
   105,488.24/158,183.16 = 61,127.72/x
3. Step 3: Cross multiply
   105,488.24x = 158,183.16 × 61,127.72
4. Step 4: Simplify right side
   105,488.24x = 9,669,375,913.20
5. Step 5: Solve for x
   x = 9,669,375,913.20/105,488.24
6. Step 6: Final answer
   x = 91,663.07