Finding the Fourth Proportional to 647,949.56, 971,858.72 and 174,682.76

Step by Step Solution

1. Step 1: Write the proportion equation
   647,949.56 : 971,858.72 = 174,682.76 : x
2. Step 2: Convert to fraction form
   647,949.56/971,858.72 = 174,682.76/x
3. Step 3: Cross multiply
   647,949.56x = 971,858.72 × 174,682.76
4. Step 4: Simplify right side
   647,949.56x = 169,766,960,236.61
5. Step 5: Solve for x
   x = 169,766,960,236.61/647,949.56
6. Step 6: Final answer
   x = 262,006.45