Finding the Fourth Proportional to 2,005,410.84, 3,008,187.56 and 657,605.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,410.84 : 3,008,187.56 = 657,605.40 : x
2. Step 2: Convert to fraction form
   2,005,410.84/3,008,187.56 = 657,605.40/x
3. Step 3: Cross multiply
   2,005,410.84x = 3,008,187.56 × 657,605.40
4. Step 4: Simplify right side
   2,005,410.84x = 1,978,200,383,668.82
5. Step 5: Solve for x
   x = 1,978,200,383,668.82/2,005,410.84
6. Step 6: Final answer
   x = 986,431.48