Finding the Fourth Proportional to 89,481.96, 134,139.48 and 30,276.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,481.96 : 134,139.48 = 30,276.42 : x
2. Step 2: Convert to fraction form
   89,481.96/134,139.48 = 30,276.42/x
3. Step 3: Cross multiply
   89,481.96x = 134,139.48 × 30,276.42
4. Step 4: Simplify right side
   89,481.96x = 4,061,263,235.06
5. Step 5: Solve for x
   x = 4,061,263,235.06/89,481.96
6. Step 6: Final answer
   x = 45,386.39