Finding the Fourth Proportional to 2,655.86, 3,976.72 and 2,195.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.86 : 3,976.72 = 2,195.69 : x
2. Step 2: Convert to fraction form
   2,655.86/3,976.72 = 2,195.69/x
3. Step 3: Cross multiply
   2,655.86x = 3,976.72 × 2,195.69
4. Step 4: Simplify right side
   2,655.86x = 8,731,618.96
5. Step 5: Solve for x
   x = 8,731,618.96/2,655.86
6. Step 6: Final answer
   x = 3,287.69