Finding the Fourth Proportional to 2,656.70, 3,986.12 and 1,196.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.70 : 3,986.12 = 1,196.54 : x
2. Step 2: Convert to fraction form
   2,656.70/3,986.12 = 1,196.54/x
3. Step 3: Cross multiply
   2,656.70x = 3,986.12 × 1,196.54
4. Step 4: Simplify right side
   2,656.70x = 4,769,552.02
5. Step 5: Solve for x
   x = 4,769,552.02/2,656.70
6. Step 6: Final answer
   x = 1,795.29