Finding the Fourth Proportional to 89,685.69, 134,510.17 and 33,515.43

Step by Step Solution

1. Step 1: Write the proportion equation
   89,685.69 : 134,510.17 = 33,515.43 : x
2. Step 2: Convert to fraction form
   89,685.69/134,510.17 = 33,515.43/x
3. Step 3: Cross multiply
   89,685.69x = 134,510.17 × 33,515.43
4. Step 4: Simplify right side
   89,685.69x = 4,508,166,186.92
5. Step 5: Solve for x
   x = 4,508,166,186.92/89,685.69
6. Step 6: Final answer
   x = 50,266.28