Finding the Fourth Proportional to 89,570.72, 134,350.64 and 33,399.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,570.72 : 134,350.64 = 33,399.92 : x
2. Step 2: Convert to fraction form
   89,570.72/134,350.64 = 33,399.92/x
3. Step 3: Cross multiply
   89,570.72x = 134,350.64 × 33,399.92
4. Step 4: Simplify right side
   89,570.72x = 4,487,300,627.95
5. Step 5: Solve for x
   x = 4,487,300,627.95/89,570.72
6. Step 6: Final answer
   x = 50,097.85