Finding the Fourth Proportional to 647,706.76, 893,846.82 and 361,196.08

Step by Step Solution

1. Step 1: Write the proportion equation
   647,706.76 : 893,846.82 = 361,196.08 : x
2. Step 2: Convert to fraction form
   647,706.76/893,846.82 = 361,196.08/x
3. Step 3: Cross multiply
   647,706.76x = 893,846.82 × 361,196.08
4. Step 4: Simplify right side
   647,706.76x = 322,853,967,504.47
5. Step 5: Solve for x
   x = 322,853,967,504.47/647,706.76
6. Step 6: Final answer
   x = 498,457.00