Finding the Fourth Proportional to 1,634.72, 2,445.96 and 974.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.72 : 2,445.96 = 974.18 : x
2. Step 2: Convert to fraction form
   1,634.72/2,445.96 = 974.18/x
3. Step 3: Cross multiply
   1,634.72x = 2,445.96 × 974.18
4. Step 4: Simplify right side
   1,634.72x = 2,382,805.31
5. Step 5: Solve for x
   x = 2,382,805.31/1,634.72
6. Step 6: Final answer
   x = 1,457.62