Finding the Fourth Proportional to 2,008,209.63, 3,012,411.29 and 660,342.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008,209.63 : 3,012,411.29 = 660,342.39 : x
2. Step 2: Convert to fraction form
   2,008,209.63/3,012,411.29 = 660,342.39/x
3. Step 3: Cross multiply
   2,008,209.63x = 3,012,411.29 × 660,342.39
4. Step 4: Simplify right side
   2,008,209.63x = 1,989,222,870,901.58
5. Step 5: Solve for x
   x = 1,989,222,870,901.58/2,008,209.63
6. Step 6: Final answer
   x = 990,545.43