Finding the Fourth Proportional to 89,417.89, 123,383.28 and 49,133.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,417.89 : 123,383.28 = 49,133.35 : x
2. Step 2: Convert to fraction form
   89,417.89/123,383.28 = 49,133.35/x
3. Step 3: Cross multiply
   89,417.89x = 123,383.28 × 49,133.35
4. Step 4: Simplify right side
   89,417.89x = 6,062,233,880.39
5. Step 5: Solve for x
   x = 6,062,233,880.39/89,417.89
6. Step 6: Final answer
   x = 67,796.66