Finding the Fourth Proportional to 1,977,404.39, 2,728,839.56 and 1,161,642.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977,404.39 : 2,728,839.56 = 1,161,642.45 : x
2. Step 2: Convert to fraction form
   1,977,404.39/2,728,839.56 = 1,161,642.45/x
3. Step 3: Cross multiply
   1,977,404.39x = 2,728,839.56 × 1,161,642.45
4. Step 4: Simplify right side
   1,977,404.39x = 3,169,935,866,327.11
5. Step 5: Solve for x
   x = 3,169,935,866,327.11/1,977,404.39
6. Step 6: Final answer
   x = 1,603,079.21