Finding the Fourth Proportional to 2,735.76, 4,103.76 and 886.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.76 : 4,103.76 = 886.72 : x
2. Step 2: Convert to fraction form
   2,735.76/4,103.76 = 886.72/x
3. Step 3: Cross multiply
   2,735.76x = 4,103.76 × 886.72
4. Step 4: Simplify right side
   2,735.76x = 3,638,886.07
5. Step 5: Solve for x
   x = 3,638,886.07/2,735.76
6. Step 6: Final answer
   x = 1,330.12