Finding the Fourth Proportional to 89,645.94, 134,406.66 and 39,698.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,645.94 : 134,406.66 = 39,698.82 : x
2. Step 2: Convert to fraction form
   89,645.94/134,406.66 = 39,698.82/x
3. Step 3: Cross multiply
   89,645.94x = 134,406.66 × 39,698.82
4. Step 4: Simplify right side
   89,645.94x = 5,335,785,802.14
5. Step 5: Solve for x
   x = 5,335,785,802.14/89,645.94
6. Step 6: Final answer
   x = 59,520.66