Finding the Fourth Proportional to 105,954, 146,235.96 and 61,242

Step by Step Solution

1. Step 1: Write the proportion equation
   105,954 : 146,235.96 = 61,242 : x
2. Step 2: Convert to fraction form
   105,954/146,235.96 = 61,242/x
3. Step 3: Cross multiply
   105,954x = 146,235.96 × 61,242
4. Step 4: Simplify right side
   105,954x = 8,955,782,662.32
5. Step 5: Solve for x
   x = 8,955,782,662.32/105,954
6. Step 6: Final answer
   x = 84,525.20