Finding the Fourth Proportional to 647,016.23, 892,885.95 and 375,245.28

Step by Step Solution

1. Step 1: Write the proportion equation
   647,016.23 : 892,885.95 = 375,245.28 : x
2. Step 2: Convert to fraction form
   647,016.23/892,885.95 = 375,245.28/x
3. Step 3: Cross multiply
   647,016.23x = 892,885.95 × 375,245.28
4. Step 4: Simplify right side
   647,016.23x = 335,051,238,315.82
5. Step 5: Solve for x
   x = 335,051,238,315.82/647,016.23
6. Step 6: Final answer
   x = 517,840.55