Finding the Fourth Proportional to 7,256.76, 10,015.72 and 4,112.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,256.76 : 10,015.72 = 4,112.96 : x
2. Step 2: Convert to fraction form
   7,256.76/10,015.72 = 4,112.96/x
3. Step 3: Cross multiply
   7,256.76x = 10,015.72 × 4,112.96
4. Step 4: Simplify right side
   7,256.76x = 41,194,255.73
5. Step 5: Solve for x
   x = 41,194,255.73/7,256.76
6. Step 6: Final answer
   x = 5,676.67