Finding the Fourth Proportional to 7,515.86, 10,371.41 and 4,112.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,515.86 : 10,371.41 = 4,112.18 : x
2. Step 2: Convert to fraction form
   7,515.86/10,371.41 = 4,112.18/x
3. Step 3: Cross multiply
   7,515.86x = 10,371.41 × 4,112.18
4. Step 4: Simplify right side
   7,515.86x = 42,649,104.77
5. Step 5: Solve for x
   x = 42,649,104.77/7,515.86
6. Step 6: Final answer
   x = 5,674.55