Finding the Fourth Proportional to 2,005,619.88, 3,008,640.72 and 585,679.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,619.88 : 3,008,640.72 = 585,679.98 : x
2. Step 2: Convert to fraction form
   2,005,619.88/3,008,640.72 = 585,679.98/x
3. Step 3: Cross multiply
   2,005,619.88x = 3,008,640.72 × 585,679.98
4. Step 4: Simplify right side
   2,005,619.88x = 1,762,100,636,716.79
5. Step 5: Solve for x
   x = 1,762,100,636,716.79/2,005,619.88
6. Step 6: Final answer
   x = 878,581.56