Finding the Fourth Proportional to 1,642,742.15, 2,458,118.39 and 969,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,742.15 : 2,458,118.39 = 969,146.15 : x
2. Step 2: Convert to fraction form
   1,642,742.15/2,458,118.39 = 969,146.15/x
3. Step 3: Cross multiply
   1,642,742.15x = 2,458,118.39 × 969,146.15
4. Step 4: Simplify right side
   1,642,742.15x = 2,382,275,956,776.38
5. Step 5: Solve for x
   x = 2,382,275,956,776.38/1,642,742.15
6. Step 6: Final answer
   x = 1,450,182.53