Finding the Fourth Proportional to 300,498.15, 414,674.61 and 164,529.63

Step by Step Solution

1. Step 1: Write the proportion equation
   300,498.15 : 414,674.61 = 164,529.63 : x
2. Step 2: Convert to fraction form
   300,498.15/414,674.61 = 164,529.63/x
3. Step 3: Cross multiply
   300,498.15x = 414,674.61 × 164,529.63
4. Step 4: Simplify right side
   300,498.15x = 68,226,260,153.69
5. Step 5: Solve for x
   x = 68,226,260,153.69/300,498.15
6. Step 6: Final answer
   x = 227,043.86