Finding the Fourth Proportional to 647,784.18, 893,943.72 and 361,322.82

Step by Step Solution

1. Step 1: Write the proportion equation
   647,784.18 : 893,943.72 = 361,322.82 : x
2. Step 2: Convert to fraction form
   647,784.18/893,943.72 = 361,322.82/x
3. Step 3: Cross multiply
   647,784.18x = 893,943.72 × 361,322.82
4. Step 4: Simplify right side
   647,784.18x = 323,002,265,831.69
5. Step 5: Solve for x
   x = 323,002,265,831.69/647,784.18
6. Step 6: Final answer
   x = 498,626.36