Finding the Fourth Proportional to 9,265.28, 12,786.06 and 5,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,265.28 : 12,786.06 = 5,073.50 : x
2. Step 2: Convert to fraction form
   9,265.28/12,786.06 = 5,073.50/x
3. Step 3: Cross multiply
   9,265.28x = 12,786.06 × 5,073.50
4. Step 4: Simplify right side
   9,265.28x = 64,870,075.41
5. Step 5: Solve for x
   x = 64,870,075.41/9,265.28
6. Step 6: Final answer
   x = 7,001.42