Finding the Fourth Proportional to 2,066.76, 3,100.56 and 1,860.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.76 : 3,100.56 = 1,860.22 : x
2. Step 2: Convert to fraction form
   2,066.76/3,100.56 = 1,860.22/x
3. Step 3: Cross multiply
   2,066.76x = 3,100.56 × 1,860.22
4. Step 4: Simplify right side
   2,066.76x = 5,767,723.72
5. Step 5: Solve for x
   x = 5,767,723.72/2,066.76
6. Step 6: Final answer
   x = 2,790.71