Finding the Fourth Proportional to 1,495.77, 2,057.31 and 1,200.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.77 : 2,057.31 = 1,200.39 : x
2. Step 2: Convert to fraction form
   1,495.77/2,057.31 = 1,200.39/x
3. Step 3: Cross multiply
   1,495.77x = 2,057.31 × 1,200.39
4. Step 4: Simplify right side
   1,495.77x = 2,469,574.35
5. Step 5: Solve for x
   x = 2,469,574.35/1,495.77
6. Step 6: Final answer
   x = 1,651.04