Finding the Fourth Proportional to 647,785.18, 893,945.10 and 361,323.82

Step by Step Solution

1. Step 1: Write the proportion equation
   647,785.18 : 893,945.10 = 361,323.82 : x
2. Step 2: Convert to fraction form
   647,785.18/893,945.10 = 361,323.82/x
3. Step 3: Cross multiply
   647,785.18x = 893,945.10 × 361,323.82
4. Step 4: Simplify right side
   647,785.18x = 323,003,658,402.28
5. Step 5: Solve for x
   x = 323,003,658,402.28/647,785.18
6. Step 6: Final answer
   x = 498,627.74