Finding the Fourth Proportional to 1,269.25, 1,898.17 and 972.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.25 : 1,898.17 = 972.83 : x
2. Step 2: Convert to fraction form
   1,269.25/1,898.17 = 972.83/x
3. Step 3: Cross multiply
   1,269.25x = 1,898.17 × 972.83
4. Step 4: Simplify right side
   1,269.25x = 1,846,596.72
5. Step 5: Solve for x
   x = 1,846,596.72/1,269.25
6. Step 6: Final answer
   x = 1,454.87