Finding the Fourth Proportional to 106,022.34, 146,252.12 and 67,189.05

Step by Step Solution

1. Step 1: Write the proportion equation
   106,022.34 : 146,252.12 = 67,189.05 : x
2. Step 2: Convert to fraction form
   106,022.34/146,252.12 = 67,189.05/x
3. Step 3: Cross multiply
   106,022.34x = 146,252.12 × 67,189.05
4. Step 4: Simplify right side
   106,022.34x = 9,826,540,667.34
5. Step 5: Solve for x
   x = 9,826,540,667.34/106,022.34
6. Step 6: Final answer
   x = 92,683.68