Finding the Fourth Proportional to 2,587,686.72, 3,882,290.97 and 766,097.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,686.72 : 3,882,290.97 = 766,097.97 : x
2. Step 2: Convert to fraction form
   2,587,686.72/3,882,290.97 = 766,097.97/x
3. Step 3: Cross multiply
   2,587,686.72x = 3,882,290.97 × 766,097.97
4. Step 4: Simplify right side
   2,587,686.72x = 2,974,215,231,066.33
5. Step 5: Solve for x
   x = 2,974,215,231,066.33/2,587,686.72
6. Step 6: Final answer
   x = 1,149,372.22