Finding the Fourth Proportional to 3,876.76, 5,816.58 and 1,797.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876.76 : 5,816.58 = 1,797.76 : x
2. Step 2: Convert to fraction form
   3,876.76/5,816.58 = 1,797.76/x
3. Step 3: Cross multiply
   3,876.76x = 5,816.58 × 1,797.76
4. Step 4: Simplify right side
   3,876.76x = 10,456,814.86
5. Step 5: Solve for x
   x = 10,456,814.86/3,876.76
6. Step 6: Final answer
   x = 2,697.31