Finding the Fourth Proportional to 2,891.81, 4,336.82 and 1,042.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.81 : 4,336.82 = 1,042.69 : x
2. Step 2: Convert to fraction form
   2,891.81/4,336.82 = 1,042.69/x
3. Step 3: Cross multiply
   2,891.81x = 4,336.82 × 1,042.69
4. Step 4: Simplify right side
   2,891.81x = 4,521,948.00
5. Step 5: Solve for x
   x = 4,521,948.00/2,891.81
6. Step 6: Final answer
   x = 1,563.71