Finding the Fourth Proportional to 2,162,388.96, 3,240,434.16 and 1,039,145.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162,388.96 : 3,240,434.16 = 1,039,145.76 : x
2. Step 2: Convert to fraction form
   2,162,388.96/3,240,434.16 = 1,039,145.76/x
3. Step 3: Cross multiply
   2,162,388.96x = 3,240,434.16 × 1,039,145.76
4. Step 4: Simplify right side
   2,162,388.96x = 3,367,283,417,923.16
5. Step 5: Solve for x
   x = 3,367,283,417,923.16/2,162,388.96
6. Step 6: Final answer
   x = 1,557,205.24