Finding the Fourth Proportional to 89,383.08, 134,103.76 and 42,629.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,383.08 : 134,103.76 = 42,629.88 : x
2. Step 2: Convert to fraction form
   89,383.08/134,103.76 = 42,629.88/x
3. Step 3: Cross multiply
   89,383.08x = 134,103.76 × 42,629.88
4. Step 4: Simplify right side
   89,383.08x = 5,716,827,196.35
5. Step 5: Solve for x
   x = 5,716,827,196.35/89,383.08
6. Step 6: Final answer
   x = 63,958.72