Finding the Fourth Proportional to 105,075, 145,003.50 and 67,349.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,075 : 145,003.50 = 67,349.34 : x
2. Step 2: Convert to fraction form
   105,075/145,003.50 = 67,349.34/x
3. Step 3: Cross multiply
   105,075x = 145,003.50 × 67,349.34
4. Step 4: Simplify right side
   105,075x = 9,765,890,022.69
5. Step 5: Solve for x
   x = 9,765,890,022.69/105,075
6. Step 6: Final answer
   x = 92,942.09