Finding the Fourth Proportional to 2,100.99, 3,151.89 and 1,371.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.99 : 3,151.89 = 1,371.18 : x
2. Step 2: Convert to fraction form
   2,100.99/3,151.89 = 1,371.18/x
3. Step 3: Cross multiply
   2,100.99x = 3,151.89 × 1,371.18
4. Step 4: Simplify right side
   2,100.99x = 4,321,808.53
5. Step 5: Solve for x
   x = 4,321,808.53/2,100.99
6. Step 6: Final answer
   x = 2,057.03