Finding the Fourth Proportional to 89,906.42, 134,824.57 and 33,715.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,906.42 : 134,824.57 = 33,715.91 : x
2. Step 2: Convert to fraction form
   89,906.42/134,824.57 = 33,715.91/x
3. Step 3: Cross multiply
   89,906.42x = 134,824.57 × 33,715.91
4. Step 4: Simplify right side
   89,906.42x = 4,545,733,320.68
5. Step 5: Solve for x
   x = 4,545,733,320.68/89,906.42
6. Step 6: Final answer
   x = 50,560.72