Finding the Fourth Proportional to 106,362.81, 146,796.89 and 80,827.56

Step by Step Solution

1. Step 1: Write the proportion equation
   106,362.81 : 146,796.89 = 80,827.56 : x
2. Step 2: Convert to fraction form
   106,362.81/146,796.89 = 80,827.56/x
3. Step 3: Cross multiply
   106,362.81x = 146,796.89 × 80,827.56
4. Step 4: Simplify right side
   106,362.81x = 11,865,234,030.15
5. Step 5: Solve for x
   x = 11,865,234,030.15/106,362.81
6. Step 6: Final answer
   x = 111,554.35