Finding the Fourth Proportional to 1,870,987.32, 2,581,949.97 and 1,055,198.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,987.32 : 2,581,949.97 = 1,055,198.07 : x
2. Step 2: Convert to fraction form
   1,870,987.32/2,581,949.97 = 1,055,198.07/x
3. Step 3: Cross multiply
   1,870,987.32x = 2,581,949.97 × 1,055,198.07
4. Step 4: Simplify right side
   1,870,987.32x = 2,724,468,625,180.56
5. Step 5: Solve for x
   x = 2,724,468,625,180.56/1,870,987.32
6. Step 6: Final answer
   x = 1,456,166.27