Finding the Fourth Proportional to 683,978.92, 1,026,019.94 and 204,168.82

Step by Step Solution

1. Step 1: Write the proportion equation
   683,978.92 : 1,026,019.94 = 204,168.82 : x
2. Step 2: Convert to fraction form
   683,978.92/1,026,019.94 = 204,168.82/x
3. Step 3: Cross multiply
   683,978.92x = 1,026,019.94 × 204,168.82
4. Step 4: Simplify right side
   683,978.92x = 209,481,283,521.74
5. Step 5: Solve for x
   x = 209,481,283,521.74/683,978.92
6. Step 6: Final answer
   x = 306,268.63