Finding the Fourth Proportional to 2,007,923.88, 3,012,255.42 and 660,162.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007,923.88 : 3,012,255.42 = 660,162.60 : x
2. Step 2: Convert to fraction form
   2,007,923.88/3,012,255.42 = 660,162.60/x
3. Step 3: Cross multiply
   2,007,923.88x = 3,012,255.42 × 660,162.60
4. Step 4: Simplify right side
   2,007,923.88x = 1,988,578,369,931.29
5. Step 5: Solve for x
   x = 1,988,578,369,931.29/2,007,923.88
6. Step 6: Final answer
   x = 990,365.42