Finding the Fourth Proportional to 88,936.18, 133,404.27 and 42,163.54

Step by Step Solution

1. Step 1: Write the proportion equation
   88,936.18 : 133,404.27 = 42,163.54 : x
2. Step 2: Convert to fraction form
   88,936.18/133,404.27 = 42,163.54/x
3. Step 3: Cross multiply
   88,936.18x = 133,404.27 × 42,163.54
4. Step 4: Simplify right side
   88,936.18x = 5,624,796,274.32
5. Step 5: Solve for x
   x = 5,624,796,274.32/88,936.18
6. Step 6: Final answer
   x = 63,245.31