Finding the Fourth Proportional to 89,222.99, 133,854.69 and 30,057.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,222.99 : 133,854.69 = 30,057.05 : x
2. Step 2: Convert to fraction form
   89,222.99/133,854.69 = 30,057.05/x
3. Step 3: Cross multiply
   89,222.99x = 133,854.69 × 30,057.05
4. Step 4: Simplify right side
   89,222.99x = 4,023,276,290.51
5. Step 5: Solve for x
   x = 4,023,276,290.51/89,222.99
6. Step 6: Final answer
   x = 45,092.37