Finding the Fourth Proportional to 300,655.86, 414,900.54 and 164,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,655.86 : 414,900.54 = 164,688.72 : x
2. Step 2: Convert to fraction form
   300,655.86/414,900.54 = 164,688.72/x
3. Step 3: Cross multiply
   300,655.86x = 414,900.54 × 164,688.72
4. Step 4: Simplify right side
   300,655.86x = 68,329,438,859.91
5. Step 5: Solve for x
   x = 68,329,438,859.91/300,655.86
6. Step 6: Final answer
   x = 227,267.94