Finding the Fourth Proportional to 2,279.62, 3,419.54 and 1,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.62 : 3,419.54 = 1,046.46 : x
2. Step 2: Convert to fraction form
   2,279.62/3,419.54 = 1,046.46/x
3. Step 3: Cross multiply
   2,279.62x = 3,419.54 × 1,046.46
4. Step 4: Simplify right side
   2,279.62x = 3,578,411.83
5. Step 5: Solve for x
   x = 3,578,411.83/2,279.62
6. Step 6: Final answer
   x = 1,569.74