Finding the Fourth Proportional to 89,383.26, 133,870.77 and 42,668.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,383.26 : 133,870.77 = 42,668.94 : x
2. Step 2: Convert to fraction form
   89,383.26/133,870.77 = 42,668.94/x
3. Step 3: Cross multiply
   89,383.26x = 133,870.77 × 42,668.94
4. Step 4: Simplify right side
   89,383.26x = 5,712,123,852.88
5. Step 5: Solve for x
   x = 5,712,123,852.88/89,383.26
6. Step 6: Final answer
   x = 63,905.97