Finding the Fourth Proportional to 1,269.29, 1,901.37 and 994.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.29 : 1,901.37 = 994.07 : x
2. Step 2: Convert to fraction form
   1,269.29/1,901.37 = 994.07/x
3. Step 3: Cross multiply
   1,269.29x = 1,901.37 × 994.07
4. Step 4: Simplify right side
   1,269.29x = 1,890,089.91
5. Step 5: Solve for x
   x = 1,890,089.91/1,269.29
6. Step 6: Final answer
   x = 1,489.09