Finding the Fourth Proportional to 106,296.16, 146,667.16 and 80,795.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,296.16 : 146,667.16 = 80,795.72 : x
2. Step 2: Convert to fraction form
   106,296.16/146,667.16 = 80,795.72/x
3. Step 3: Cross multiply
   106,296.16x = 146,667.16 × 80,795.72
4. Step 4: Simplify right side
   106,296.16x = 11,850,078,792.56
5. Step 5: Solve for x
   x = 11,850,078,792.56/106,296.16
6. Step 6: Final answer
   x = 111,481.72