Finding the Fourth Proportional to 2,107,661.56, 3,161,494.62 and 986,517.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,661.56 : 3,161,494.62 = 986,517.88 : x
2. Step 2: Convert to fraction form
   2,107,661.56/3,161,494.62 = 986,517.88/x
3. Step 3: Cross multiply
   2,107,661.56x = 3,161,494.62 × 986,517.88
4. Step 4: Simplify right side
   2,107,661.56x = 3,118,870,970,153.81
5. Step 5: Solve for x
   x = 3,118,870,970,153.81/2,107,661.56
6. Step 6: Final answer
   x = 1,479,777.89