Finding the Fourth Proportional to 89,798.24, 134,609.34 and 76,501.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,798.24 : 134,609.34 = 76,501.28 : x
2. Step 2: Convert to fraction form
   89,798.24/134,609.34 = 76,501.28/x
3. Step 3: Cross multiply
   89,798.24x = 134,609.34 × 76,501.28
4. Step 4: Simplify right side
   89,798.24x = 10,297,786,809.96
5. Step 5: Solve for x
   x = 10,297,786,809.96/89,798.24
6. Step 6: Final answer
   x = 114,676.93