Finding the Fourth Proportional to 3,156.96, 4,736.15 and 1,076.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156.96 : 4,736.15 = 1,076.88 : x
2. Step 2: Convert to fraction form
   3,156.96/4,736.15 = 1,076.88/x
3. Step 3: Cross multiply
   3,156.96x = 4,736.15 × 1,076.88
4. Step 4: Simplify right side
   3,156.96x = 5,100,265.21
5. Step 5: Solve for x
   x = 5,100,265.21/3,156.96
6. Step 6: Final answer
   x = 1,615.56