Finding the Fourth Proportional to 86,173.05, 129,259.38 and 41,057.46

Step by Step Solution

1. Step 1: Write the proportion equation
   86,173.05 : 129,259.38 = 41,057.46 : x
2. Step 2: Convert to fraction form
   86,173.05/129,259.38 = 41,057.46/x
3. Step 3: Cross multiply
   86,173.05x = 129,259.38 × 41,057.46
4. Step 4: Simplify right side
   86,173.05x = 5,307,061,185.29
5. Step 5: Solve for x
   x = 5,307,061,185.29/86,173.05
6. Step 6: Final answer
   x = 61,586.09