Finding the Fourth Proportional to 89,796.24, 134,606.34 and 76,499.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,796.24 : 134,606.34 = 76,499.28 : x
2. Step 2: Convert to fraction form
   89,796.24/134,606.34 = 76,499.28/x
3. Step 3: Cross multiply
   89,796.24x = 134,606.34 × 76,499.28
4. Step 4: Simplify right side
   89,796.24x = 10,297,288,093.44
5. Step 5: Solve for x
   x = 10,297,288,093.44/89,796.24
6. Step 6: Final answer
   x = 114,673.93