Finding the Fourth Proportional to 2,025.56, 2,795.82 and 1,186.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.56 : 2,795.82 = 1,186.40 : x
2. Step 2: Convert to fraction form
   2,025.56/2,795.82 = 1,186.40/x
3. Step 3: Cross multiply
   2,025.56x = 2,795.82 × 1,186.40
4. Step 4: Simplify right side
   2,025.56x = 3,316,960.85
5. Step 5: Solve for x
   x = 3,316,960.85/2,025.56
6. Step 6: Final answer
   x = 1,637.55