Finding the Fourth Proportional to 166,762.05, 229,976.15 and 154,377.15

Step by Step Solution

1. Step 1: Write the proportion equation
   166,762.05 : 229,976.15 = 154,377.15 : x
2. Step 2: Convert to fraction form
   166,762.05/229,976.15 = 154,377.15/x
3. Step 3: Cross multiply
   166,762.05x = 229,976.15 × 154,377.15
4. Step 4: Simplify right side
   166,762.05x = 35,503,061,833.09
5. Step 5: Solve for x
   x = 35,503,061,833.09/166,762.05
6. Step 6: Final answer
   x = 212,896.53