Finding the Fourth Proportional to 89,433.09, 134,155.85 and 30,248.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,433.09 : 134,155.85 = 30,248.75 : x
2. Step 2: Convert to fraction form
   89,433.09/134,155.85 = 30,248.75/x
3. Step 3: Cross multiply
   89,433.09x = 134,155.85 × 30,248.75
4. Step 4: Simplify right side
   89,433.09x = 4,058,046,951.83
5. Step 5: Solve for x
   x = 4,058,046,951.83/89,433.09
6. Step 6: Final answer
   x = 45,375.23