Finding the Fourth Proportional to 1,422,406.71, 1,964,537.98 and 956,449.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,406.71 : 1,964,537.98 = 956,449.96 : x
2. Step 2: Convert to fraction form
   1,422,406.71/1,964,537.98 = 956,449.96/x
3. Step 3: Cross multiply
   1,422,406.71x = 1,964,537.98 × 956,449.96
4. Step 4: Simplify right side
   1,422,406.71x = 1,878,982,265,087.01
5. Step 5: Solve for x
   x = 1,878,982,265,087.01/1,422,406.71
6. Step 6: Final answer
   x = 1,320,988.05