Finding the Fourth Proportional to 2,015,520.76, 3,023,707.61 and 667,607.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,520.76 : 3,023,707.61 = 667,607.05 : x
2. Step 2: Convert to fraction form
   2,015,520.76/3,023,707.61 = 667,607.05/x
3. Step 3: Cross multiply
   2,015,520.76x = 3,023,707.61 × 667,607.05
4. Step 4: Simplify right side
   2,015,520.76x = 2,018,648,517,574.65
5. Step 5: Solve for x
   x = 2,018,648,517,574.65/2,015,520.76
6. Step 6: Final answer
   x = 1,001,551.84