Finding the Fourth Proportional to 1,637.15, 2,259.27 and 974.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.15 : 2,259.27 = 974.00 : x
2. Step 2: Convert to fraction form
   1,637.15/2,259.27 = 974.00/x
3. Step 3: Cross multiply
   1,637.15x = 2,259.27 × 974.00
4. Step 4: Simplify right side
   1,637.15x = 2,200,514.03
5. Step 5: Solve for x
   x = 2,200,514.03/1,637.15
6. Step 6: Final answer
   x = 1,344.12