Finding the Fourth Proportional to 105,994, 146,125.54 and 84,556.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,994 : 146,125.54 = 84,556.48 : x
2. Step 2: Convert to fraction form
   105,994/146,125.54 = 84,556.48/x
3. Step 3: Cross multiply
   105,994x = 146,125.54 × 84,556.48
4. Step 4: Simplify right side
   105,994x = 12,355,861,300.50
5. Step 5: Solve for x
   x = 12,355,861,300.50/105,994
6. Step 6: Final answer
   x = 116,571.33