Finding the Fourth Proportional to 89,238.30, 133,848.33 and 30,074.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,238.30 : 133,848.33 = 30,074.49 : x
2. Step 2: Convert to fraction form
   89,238.30/133,848.33 = 30,074.49/x
3. Step 3: Cross multiply
   89,238.30x = 133,848.33 × 30,074.49
4. Step 4: Simplify right side
   89,238.30x = 4,025,420,262.10
5. Step 5: Solve for x
   x = 4,025,420,262.10/89,238.30
6. Step 6: Final answer
   x = 45,108.66