Finding the Fourth Proportional to 301,980.09, 416,733.89 and 166,026.05

Step by Step Solution

1. Step 1: Write the proportion equation
   301,980.09 : 416,733.89 = 166,026.05 : x
2. Step 2: Convert to fraction form
   301,980.09/416,733.89 = 166,026.05/x
3. Step 3: Cross multiply
   301,980.09x = 416,733.89 × 166,026.05
4. Step 4: Simplify right side
   301,980.09x = 69,188,678,744.03
5. Step 5: Solve for x
   x = 69,188,678,744.03/301,980.09
6. Step 6: Final answer
   x = 229,116.69