Finding the Fourth Proportional to 1,978,042.06, 2,967,123.57 and 681,180.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,042.06 : 2,967,123.57 = 681,180.49 : x
2. Step 2: Convert to fraction form
   1,978,042.06/2,967,123.57 = 681,180.49/x
3. Step 3: Cross multiply
   1,978,042.06x = 2,967,123.57 × 681,180.49
4. Step 4: Simplify right side
   1,978,042.06x = 2,021,146,687,303.15
5. Step 5: Solve for x
   x = 2,021,146,687,303.15/1,978,042.06
6. Step 6: Final answer
   x = 1,021,791.56