Finding the Fourth Proportional to 3,677.35, 5,074.71 and 1,998.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.35 : 5,074.71 = 1,998.76 : x
2. Step 2: Convert to fraction form
   3,677.35/5,074.71 = 1,998.76/x
3. Step 3: Cross multiply
   3,677.35x = 5,074.71 × 1,998.76
4. Step 4: Simplify right side
   3,677.35x = 10,143,127.36
5. Step 5: Solve for x
   x = 10,143,127.36/3,677.35
6. Step 6: Final answer
   x = 2,758.27