Finding the Fourth Proportional to 108,212.52, 149,429.02 and 67,446.22

Step by Step Solution

1. Step 1: Write the proportion equation
   108,212.52 : 149,429.02 = 67,446.22 : x
2. Step 2: Convert to fraction form
   108,212.52/149,429.02 = 67,446.22/x
3. Step 3: Cross multiply
   108,212.52x = 149,429.02 × 67,446.22
4. Step 4: Simplify right side
   108,212.52x = 10,078,422,421.76
5. Step 5: Solve for x
   x = 10,078,422,421.76/108,212.52
6. Step 6: Final answer
   x = 93,135.46