Finding the Fourth Proportional to 89,983.51, 134,975.97 and 30,819.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89,983.51 : 134,975.97 = 30,819.69 : x
2. Step 2: Convert to fraction form
   89,983.51/134,975.97 = 30,819.69/x
3. Step 3: Cross multiply
   89,983.51x = 134,975.97 × 30,819.69
4. Step 4: Simplify right side
   89,983.51x = 4,159,917,552.85
5. Step 5: Solve for x
   x = 4,159,917,552.85/89,983.51
6. Step 6: Final answer
   x = 46,229.78