Finding the Fourth Proportional to 1,084,752, 1,627,128 and 336,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084,752 : 1,627,128 = 336,798 : x
2. Step 2: Convert to fraction form
   1,084,752/1,627,128 = 336,798/x
3. Step 3: Cross multiply
   1,084,752x = 1,627,128 × 336,798
4. Step 4: Simplify right side
   1,084,752x = 548,013,456,144
5. Step 5: Solve for x
   x = 548,013,456,144/1,084,752
6. Step 6: Final answer
   x = 505,197