Finding the Fourth Proportional to 1,637.49, 2,259.52 and 974.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.49 : 2,259.52 = 974.10 : x
2. Step 2: Convert to fraction form
   1,637.49/2,259.52 = 974.10/x
3. Step 3: Cross multiply
   1,637.49x = 2,259.52 × 974.10
4. Step 4: Simplify right side
   1,637.49x = 2,200,998.43
5. Step 5: Solve for x
   x = 2,200,998.43/1,637.49
6. Step 6: Final answer
   x = 1,344.13