Finding the Fourth Proportional to 7,671.48, 10,626.73 and 7,515.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,671.48 : 10,626.73 = 7,515.96 : x
2. Step 2: Convert to fraction form
   7,671.48/10,626.73 = 7,515.96/x
3. Step 3: Cross multiply
   7,671.48x = 10,626.73 × 7,515.96
4. Step 4: Simplify right side
   7,671.48x = 79,870,077.61
5. Step 5: Solve for x
   x = 79,870,077.61/7,671.48
6. Step 6: Final answer
   x = 10,411.30