Finding the Fourth Proportional to 89,489.94, 134,257.59 and 42,095.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,489.94 : 134,257.59 = 42,095.76 : x
2. Step 2: Convert to fraction form
   89,489.94/134,257.59 = 42,095.76/x
3. Step 3: Cross multiply
   89,489.94x = 134,257.59 × 42,095.76
4. Step 4: Simplify right side
   89,489.94x = 5,651,675,286.82
5. Step 5: Solve for x
   x = 5,651,675,286.82/89,489.94
6. Step 6: Final answer
   x = 63,154.31