Finding the Fourth Proportional to 1,414.77, 2,120.77 and 673.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.77 : 2,120.77 = 673.10 : x
2. Step 2: Convert to fraction form
   1,414.77/2,120.77 = 673.10/x
3. Step 3: Cross multiply
   1,414.77x = 2,120.77 × 673.10
4. Step 4: Simplify right side
   1,414.77x = 1,427,496.34
5. Step 5: Solve for x
   x = 1,427,496.34/1,414.77
6. Step 6: Final answer
   x = 1,009.00