Finding the Fourth Proportional to 300,801.60, 415,114.56 and 166,665.60

Step by Step Solution

1. Step 1: Write the proportion equation
   300,801.60 : 415,114.56 = 166,665.60 : x
2. Step 2: Convert to fraction form
   300,801.60/415,114.56 = 166,665.60/x
3. Step 3: Cross multiply
   300,801.60x = 415,114.56 × 166,665.60
4. Step 4: Simplify right side
   300,801.60x = 69,185,317,211.14
5. Step 5: Solve for x
   x = 69,185,317,211.14/300,801.60
6. Step 6: Final answer
   x = 230,003.16