Finding the Fourth Proportional to 106,223.16, 146,493.42 and 83,828.28

Step by Step Solution

1. Step 1: Write the proportion equation
   106,223.16 : 146,493.42 = 83,828.28 : x
2. Step 2: Convert to fraction form
   106,223.16/146,493.42 = 83,828.28/x
3. Step 3: Cross multiply
   106,223.16x = 146,493.42 × 83,828.28
4. Step 4: Simplify right side
   106,223.16x = 12,280,291,429.92
5. Step 5: Solve for x
   x = 12,280,291,429.92/106,223.16
6. Step 6: Final answer
   x = 115,608.42