Finding the Fourth Proportional to 2,728,390, 3,765,127.56 and 1,504,809.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,390 : 3,765,127.56 = 1,504,809.28 : x
2. Step 2: Convert to fraction form
   2,728,390/3,765,127.56 = 1,504,809.28/x
3. Step 3: Cross multiply
   2,728,390x = 3,765,127.56 × 1,504,809.28
4. Step 4: Simplify right side
   2,728,390x = 5,665,798,892,671.76
5. Step 5: Solve for x
   x = 5,665,798,892,671.76/2,728,390
6. Step 6: Final answer
   x = 2,076,608.88