Finding the Fourth Proportional to 1,978,978, 2,730,990.48 and 1,119,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,978 : 2,730,990.48 = 1,119,520 : x
2. Step 2: Convert to fraction form
   1,978,978/2,730,990.48 = 1,119,520/x
3. Step 3: Cross multiply
   1,978,978x = 2,730,990.48 × 1,119,520
4. Step 4: Simplify right side
   1,978,978x = 3,057,398,462,169.60
5. Step 5: Solve for x
   x = 3,057,398,462,169.60/1,978,978
6. Step 6: Final answer
   x = 1,544,938.08