Finding the Fourth Proportional to 300,776.42, 415,053.57 and 164,783.30

Step by Step Solution

1. Step 1: Write the proportion equation
   300,776.42 : 415,053.57 = 164,783.30 : x
2. Step 2: Convert to fraction form
   300,776.42/415,053.57 = 164,783.30/x
3. Step 3: Cross multiply
   300,776.42x = 415,053.57 × 164,783.30
4. Step 4: Simplify right side
   300,776.42x = 68,393,896,941.38
5. Step 5: Solve for x
   x = 68,393,896,941.38/300,776.42
6. Step 6: Final answer
   x = 227,391.15