Finding the Fourth Proportional to 79,665.05, 119,517.62 and 65,457.32

Step by Step Solution

1. Step 1: Write the proportion equation
   79,665.05 : 119,517.62 = 65,457.32 : x
2. Step 2: Convert to fraction form
   79,665.05/119,517.62 = 65,457.32/x
3. Step 3: Cross multiply
   79,665.05x = 119,517.62 × 65,457.32
4. Step 4: Simplify right side
   79,665.05x = 7,823,302,173.10
5. Step 5: Solve for x
   x = 7,823,302,173.10/79,665.05
6. Step 6: Final answer
   x = 98,202.44