Finding the Fourth Proportional to 89,814.24, 134,633.34 and 76,517.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,814.24 : 134,633.34 = 76,517.28 : x
2. Step 2: Convert to fraction form
   89,814.24/134,633.34 = 76,517.28/x
3. Step 3: Cross multiply
   89,814.24x = 134,633.34 × 76,517.28
4. Step 4: Simplify right side
   89,814.24x = 10,301,776,974.12
5. Step 5: Solve for x
   x = 10,301,776,974.12/89,814.24
6. Step 6: Final answer
   x = 114,700.93