Finding the Fourth Proportional to 300,280.72, 414,381 and 164,314.12

Step by Step Solution

1. Step 1: Write the proportion equation
   300,280.72 : 414,381 = 164,314.12 : x
2. Step 2: Convert to fraction form
   300,280.72/414,381 = 164,314.12/x
3. Step 3: Cross multiply
   300,280.72x = 414,381 × 164,314.12
4. Step 4: Simplify right side
   300,280.72x = 68,088,649,359.72
5. Step 5: Solve for x
   x = 68,088,649,359.72/300,280.72
6. Step 6: Final answer
   x = 226,749.99