Finding the Fourth Proportional to 113,435.42, 169,725.60 and 67,673.89

Step by Step Solution

1. Step 1: Write the proportion equation
   113,435.42 : 169,725.60 = 67,673.89 : x
2. Step 2: Convert to fraction form
   113,435.42/169,725.60 = 67,673.89/x
3. Step 3: Cross multiply
   113,435.42x = 169,725.60 × 67,673.89
4. Step 4: Simplify right side
   113,435.42x = 11,485,991,160.27
5. Step 5: Solve for x
   x = 11,485,991,160.27/113,435.42
6. Step 6: Final answer
   x = 101,255.78