Finding the Fourth Proportional to 166,016.54, 249,025.03 and 71,185.48

Step by Step Solution

1. Step 1: Write the proportion equation
   166,016.54 : 249,025.03 = 71,185.48 : x
2. Step 2: Convert to fraction form
   166,016.54/249,025.03 = 71,185.48/x
3. Step 3: Cross multiply
   166,016.54x = 249,025.03 × 71,185.48
4. Step 4: Simplify right side
   166,016.54x = 17,726,967,293.22
5. Step 5: Solve for x
   x = 17,726,967,293.22/166,016.54
6. Step 6: Final answer
   x = 106,778.32