Finding the Fourth Proportional to 1,495.98, 2,242.89 and 674.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.98 : 2,242.89 = 674.64 : x
2. Step 2: Convert to fraction form
   1,495.98/2,242.89 = 674.64/x
3. Step 3: Cross multiply
   1,495.98x = 2,242.89 × 674.64
4. Step 4: Simplify right side
   1,495.98x = 1,513,143.31
5. Step 5: Solve for x
   x = 1,513,143.31/1,495.98
6. Step 6: Final answer
   x = 1,011.47