Finding the Fourth Proportional to 2,073.88, 3,109.56 and 841.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.88 : 3,109.56 = 841.48 : x
2. Step 2: Convert to fraction form
   2,073.88/3,109.56 = 841.48/x
3. Step 3: Cross multiply
   2,073.88x = 3,109.56 × 841.48
4. Step 4: Simplify right side
   2,073.88x = 2,616,632.55
5. Step 5: Solve for x
   x = 2,616,632.55/2,073.88
6. Step 6: Final answer
   x = 1,261.71