Finding the Fourth Proportional to 2,058.82, 2,839.76 and 1,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.82 : 2,839.76 = 1,271.50 : x
2. Step 2: Convert to fraction form
   2,058.82/2,839.76 = 1,271.50/x
3. Step 3: Cross multiply
   2,058.82x = 2,839.76 × 1,271.50
4. Step 4: Simplify right side
   2,058.82x = 3,610,746.15
5. Step 5: Solve for x
   x = 3,610,746.15/2,058.82
6. Step 6: Final answer
   x = 1,753.80