Finding the Fourth Proportional to 89,442.09, 134,169.35 and 30,257.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,442.09 : 134,169.35 = 30,257.75 : x
2. Step 2: Convert to fraction form
   89,442.09/134,169.35 = 30,257.75/x
3. Step 3: Cross multiply
   89,442.09x = 134,169.35 × 30,257.75
4. Step 4: Simplify right side
   89,442.09x = 4,059,662,834.10
5. Step 5: Solve for x
   x = 4,059,662,834.10/89,442.09
6. Step 6: Final answer
   x = 45,388.73