Finding the Fourth Proportional to 2,025.81, 2,795.15 and 1,186.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.81 : 2,795.15 = 1,186.22 : x
2. Step 2: Convert to fraction form
   2,025.81/2,795.15 = 1,186.22/x
3. Step 3: Cross multiply
   2,025.81x = 2,795.15 × 1,186.22
4. Step 4: Simplify right side
   2,025.81x = 3,315,672.79
5. Step 5: Solve for x
   x = 3,315,672.79/2,025.81
6. Step 6: Final answer
   x = 1,636.71