Finding the Fourth Proportional to 300,805.07, 415,111.01 and 166,669.07

Step by Step Solution

1. Step 1: Write the proportion equation
   300,805.07 : 415,111.01 = 166,669.07 : x
2. Step 2: Convert to fraction form
   300,805.07/415,111.01 = 166,669.07/x
3. Step 3: Cross multiply
   300,805.07x = 415,111.01 × 166,669.07
4. Step 4: Simplify right side
   300,805.07x = 69,186,165,150.12
5. Step 5: Solve for x
   x = 69,186,165,150.12/300,805.07
6. Step 6: Final answer
   x = 230,003.32