Finding the Fourth Proportional to 89,175.30, 133,783.50 and 30,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,175.30 : 133,783.50 = 30,009.42 : x
2. Step 2: Convert to fraction form
   89,175.30/133,783.50 = 30,009.42/x
3. Step 3: Cross multiply
   89,175.30x = 133,783.50 × 30,009.42
4. Step 4: Simplify right side
   89,175.30x = 4,014,765,240.57
5. Step 5: Solve for x
   x = 4,014,765,240.57/89,175.30
6. Step 6: Final answer
   x = 45,021.05