Finding the Fourth Proportional to 1,802.91, 2,488.01 and 974.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.91 : 2,488.01 = 974.91 : x
2. Step 2: Convert to fraction form
   1,802.91/2,488.01 = 974.91/x
3. Step 3: Cross multiply
   1,802.91x = 2,488.01 × 974.91
4. Step 4: Simplify right side
   1,802.91x = 2,425,578.94
5. Step 5: Solve for x
   x = 2,425,578.94/1,802.91
6. Step 6: Final answer
   x = 1,345.37