Finding the Fourth Proportional to 300,801.57, 415,106.18 and 166,665.57

Step by Step Solution

1. Step 1: Write the proportion equation
   300,801.57 : 415,106.18 = 166,665.57 : x
2. Step 2: Convert to fraction form
   300,801.57/415,106.18 = 166,665.57/x
3. Step 3: Cross multiply
   300,801.57x = 415,106.18 × 166,665.57
4. Step 4: Simplify right side
   300,801.57x = 69,183,907,266.89
5. Step 5: Solve for x
   x = 69,183,907,266.89/300,801.57
6. Step 6: Final answer
   x = 229,998.49