Finding the Fourth Proportional to 2,025.50, 2,795.04 and 1,186.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.50 : 2,795.04 = 1,186.15 : x
2. Step 2: Convert to fraction form
   2,025.50/2,795.04 = 1,186.15/x
3. Step 3: Cross multiply
   2,025.50x = 2,795.04 × 1,186.15
4. Step 4: Simplify right side
   2,025.50x = 3,315,316.79
5. Step 5: Solve for x
   x = 3,315,316.79/2,025.50
6. Step 6: Final answer
   x = 1,636.79