Finding the Fourth Proportional to 89,105.37, 133,662.11 and 49,632.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,105.37 : 133,662.11 = 49,632.72 : x
2. Step 2: Convert to fraction form
   89,105.37/133,662.11 = 49,632.72/x
3. Step 3: Cross multiply
   89,105.37x = 133,662.11 × 49,632.72
4. Step 4: Simplify right side
   89,105.37x = 6,634,013,832.08
5. Step 5: Solve for x
   x = 6,634,013,832.08/89,105.37
6. Step 6: Final answer
   x = 74,451.34