Finding the Fourth Proportional to 300,010.50, 413,997.48 and 164,019.20

Step by Step Solution

1. Step 1: Write the proportion equation
   300,010.50 : 413,997.48 = 164,019.20 : x
2. Step 2: Convert to fraction form
   300,010.50/413,997.48 = 164,019.20/x
3. Step 3: Cross multiply
   300,010.50x = 413,997.48 × 164,019.20
4. Step 4: Simplify right side
   300,010.50x = 67,903,533,401.63
5. Step 5: Solve for x
   x = 67,903,533,401.63/300,010.50
6. Step 6: Final answer
   x = 226,337.19