Finding the Fourth Proportional to 2,841.31, 4,263.54 and 1,087.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,841.31 : 4,263.54 = 1,087.48 : x
2. Step 2: Convert to fraction form
   2,841.31/4,263.54 = 1,087.48/x
3. Step 3: Cross multiply
   2,841.31x = 4,263.54 × 1,087.48
4. Step 4: Simplify right side
   2,841.31x = 4,636,514.48
5. Step 5: Solve for x
   x = 4,636,514.48/2,841.31
6. Step 6: Final answer
   x = 1,631.82