Finding the Fourth Proportional to 2,053,695.30, 3,077,918.55 and 986,439.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053,695.30 : 3,077,918.55 = 986,439.30 : x
2. Step 2: Convert to fraction form
   2,053,695.30/3,077,918.55 = 986,439.30/x
3. Step 3: Cross multiply
   2,053,695.30x = 3,077,918.55 × 986,439.30
4. Step 4: Simplify right side
   2,053,695.30x = 3,036,179,819,919.02
5. Step 5: Solve for x
   x = 3,036,179,819,919.02/2,053,695.30
6. Step 6: Final answer
   x = 1,478,398.39