Finding the Fourth Proportional to 89,383.07, 134,103.77 and 42,629.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,383.07 : 134,103.77 = 42,629.87 : x
2. Step 2: Convert to fraction form
   89,383.07/134,103.77 = 42,629.87/x
3. Step 3: Cross multiply
   89,383.07x = 134,103.77 × 42,629.87
4. Step 4: Simplify right side
   89,383.07x = 5,716,826,281.61
5. Step 5: Solve for x
   x = 5,716,826,281.61/89,383.07
6. Step 6: Final answer
   x = 63,958.71