Finding the Fourth Proportional to 79,715.82, 109,887.62 and 65,544.06

Step by Step Solution

1. Step 1: Write the proportion equation
   79,715.82 : 109,887.62 = 65,544.06 : x
2. Step 2: Convert to fraction form
   79,715.82/109,887.62 = 65,544.06/x
3. Step 3: Cross multiply
   79,715.82x = 109,887.62 × 65,544.06
4. Step 4: Simplify right side
   79,715.82x = 7,202,480,758.54
5. Step 5: Solve for x
   x = 7,202,480,758.54/79,715.82
6. Step 6: Final answer
   x = 90,351.96