Finding the Fourth Proportional to 3,977.86, 5,966.76 and 2,198.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.86 : 5,966.76 = 2,198.83 : x
2. Step 2: Convert to fraction form
   3,977.86/5,966.76 = 2,198.83/x
3. Step 3: Cross multiply
   3,977.86x = 5,966.76 × 2,198.83
4. Step 4: Simplify right side
   3,977.86x = 13,119,890.89
5. Step 5: Solve for x
   x = 13,119,890.89/3,977.86
6. Step 6: Final answer
   x = 3,298.23