Finding the Fourth Proportional to 104,105.48, 143,665.56 and 58,165.13

Step by Step Solution

1. Step 1: Write the proportion equation
   104,105.48 : 143,665.56 = 58,165.13 : x
2. Step 2: Convert to fraction form
   104,105.48/143,665.56 = 58,165.13/x
3. Step 3: Cross multiply
   104,105.48x = 143,665.56 × 58,165.13
4. Step 4: Simplify right side
   104,105.48x = 8,356,325,683.10
5. Step 5: Solve for x
   x = 8,356,325,683.10/104,105.48
6. Step 6: Final answer
   x = 80,267.88