Finding the Fourth Proportional to 7,290.27, 10,847.88 and 7,265.67

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.27 : 10,847.88 = 7,265.67 : x
2. Step 2: Convert to fraction form
   7,290.27/10,847.88 = 7,265.67/x
3. Step 3: Cross multiply
   7,290.27x = 10,847.88 × 7,265.67
4. Step 4: Simplify right side
   7,290.27x = 78,817,116.28
5. Step 5: Solve for x
   x = 78,817,116.28/7,290.27
6. Step 6: Final answer
   x = 10,811.28