Finding the Fourth Proportional to 591,014.16, 886,608.72 and 217,008

Step by Step Solution

1. Step 1: Write the proportion equation
   591,014.16 : 886,608.72 = 217,008 : x
2. Step 2: Convert to fraction form
   591,014.16/886,608.72 = 217,008/x
3. Step 3: Cross multiply
   591,014.16x = 886,608.72 × 217,008
4. Step 4: Simplify right side
   591,014.16x = 192,401,185,109.76
5. Step 5: Solve for x
   x = 192,401,185,109.76/591,014.16
6. Step 6: Final answer
   x = 325,544.12