Finding the Fourth Proportional to 1,338.04, 2,002.92 and 972.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.04 : 2,002.92 = 972.73 : x
2. Step 2: Convert to fraction form
   1,338.04/2,002.92 = 972.73/x
3. Step 3: Cross multiply
   1,338.04x = 2,002.92 × 972.73
4. Step 4: Simplify right side
   1,338.04x = 1,948,300.37
5. Step 5: Solve for x
   x = 1,948,300.37/1,338.04
6. Step 6: Final answer
   x = 1,456.09