Finding the Fourth Proportional to 3,151.56, 4,339.50 and 2,792.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151.56 : 4,339.50 = 2,792.34 : x
2. Step 2: Convert to fraction form
   3,151.56/4,339.50 = 2,792.34/x
3. Step 3: Cross multiply
   3,151.56x = 4,339.50 × 2,792.34
4. Step 4: Simplify right side
   3,151.56x = 12,117,359.43
5. Step 5: Solve for x
   x = 12,117,359.43/3,151.56
6. Step 6: Final answer
   x = 3,844.88