Finding the Fourth Proportional to 89,357.71, 133,997.20 and 41,986.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,357.71 : 133,997.20 = 41,986.28 : x
2. Step 2: Convert to fraction form
   89,357.71/133,997.20 = 41,986.28/x
3. Step 3: Cross multiply
   89,357.71x = 133,997.20 × 41,986.28
4. Step 4: Simplify right side
   89,357.71x = 5,626,043,288.43
5. Step 5: Solve for x
   x = 5,626,043,288.43/89,357.71
6. Step 6: Final answer
   x = 62,960.92