Finding the Fourth Proportional to 647,181.82, 970,707.12 and 173,805.67

Step by Step Solution

1. Step 1: Write the proportion equation
   647,181.82 : 970,707.12 = 173,805.67 : x
2. Step 2: Convert to fraction form
   647,181.82/970,707.12 = 173,805.67/x
3. Step 3: Cross multiply
   647,181.82x = 970,707.12 × 173,805.67
4. Step 4: Simplify right side
   647,181.82x = 168,714,401,365.37
5. Step 5: Solve for x
   x = 168,714,401,365.37/647,181.82
6. Step 6: Final answer
   x = 260,690.88