Finding the Fourth Proportional to 2,008,216.79, 3,012,422.01 and 660,349.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008,216.79 : 3,012,422.01 = 660,349.52 : x
2. Step 2: Convert to fraction form
   2,008,216.79/3,012,422.01 = 660,349.52/x
3. Step 3: Cross multiply
   2,008,216.79x = 3,012,422.01 × 660,349.52
4. Step 4: Simplify right side
   2,008,216.79x = 1,989,251,428,340.94
5. Step 5: Solve for x
   x = 1,989,251,428,340.94/2,008,216.79
6. Step 6: Final answer
   x = 990,556.12