Finding the Fourth Proportional to 2,147,846.87, 2,964,028.05 and 1,181,039.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,846.87 : 2,964,028.05 = 1,181,039.78 : x
2. Step 2: Convert to fraction form
   2,147,846.87/2,964,028.05 = 1,181,039.78/x
3. Step 3: Cross multiply
   2,147,846.87x = 2,964,028.05 × 1,181,039.78
4. Step 4: Simplify right side
   2,147,846.87x = 3,500,635,036,085.83
5. Step 5: Solve for x
   x = 3,500,635,036,085.83/2,147,846.87
6. Step 6: Final answer
   x = 1,629,834.55