Finding the Fourth Proportional to 647,411.50, 893,417.61 and 360,949.06

Step by Step Solution

1. Step 1: Write the proportion equation
   647,411.50 : 893,417.61 = 360,949.06 : x
2. Step 2: Convert to fraction form
   647,411.50/893,417.61 = 360,949.06/x
3. Step 3: Cross multiply
   647,411.50x = 893,417.61 × 360,949.06
4. Step 4: Simplify right side
   647,411.50x = 322,478,246,516.95
5. Step 5: Solve for x
   x = 322,478,246,516.95/647,411.50
6. Step 6: Final answer
   x = 498,103.98