Finding the Fourth Proportional to 3,777.34, 5,212.66 and 2,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.34 : 5,212.66 = 2,098.72 : x
2. Step 2: Convert to fraction form
   3,777.34/5,212.66 = 2,098.72/x
3. Step 3: Cross multiply
   3,777.34x = 5,212.66 × 2,098.72
4. Step 4: Simplify right side
   3,777.34x = 10,939,913.80
5. Step 5: Solve for x
   x = 10,939,913.80/3,777.34
6. Step 6: Final answer
   x = 2,896.20