Finding the Fourth Proportional to 470,667.65, 706,301.71 and 171,119.48

Step by Step Solution

1. Step 1: Write the proportion equation
   470,667.65 : 706,301.71 = 171,119.48 : x
2. Step 2: Convert to fraction form
   470,667.65/706,301.71 = 171,119.48/x
3. Step 3: Cross multiply
   470,667.65x = 706,301.71 × 171,119.48
4. Step 4: Simplify right side
   470,667.65x = 120,861,977,379.00
5. Step 5: Solve for x
   x = 120,861,977,379.00/470,667.65
6. Step 6: Final answer
   x = 256,788.37